<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"><url><loc>https://riaanresearch.substack.com/archive</loc><changefreq>daily</changefreq></url><url><loc>https://riaanresearch.substack.com/about</loc><changefreq>weekly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/two-stories-one-mission-and-75-miles</loc><lastmod>2026-08-22</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/from-hope-to-reality-celebrating</loc><lastmod>2026-08-11</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/when-a-droplet-meets-the-ocean</loc><lastmod>2026-06-30</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/this-is-a-love-story</loc><lastmod>2026-06-17</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/riaan-becomes-first-patient-treated</loc><lastmod>2026-06-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/artemis-ii-and-an-ordinary-night</loc><lastmod>2026-04-11</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/six-wonderful-years</loc><lastmod>2025-12-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/our-worlds-are-equally-important</loc><lastmod>2025-12-05</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-myth-of-the-support-system</loc><lastmod>2025-11-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/bermuda-you-left-us-breathless</loc><lastmod>2025-09-11</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-bad-days</loc><lastmod>2025-08-27</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-father-daughter-team-that-revolutionized</loc><lastmod>2025-08-01</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-ecstasy-of-despair</loc><lastmod>2025-07-02</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/they-carry-the-weight-of-the-world</loc><lastmod>2025-06-16</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/a-love-that-knows-no-limits</loc><lastmod>2025-05-11</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-case-for-saving-the-universe</loc><lastmod>2025-03-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-magic-of-faith</loc><lastmod>2025-03-01</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/rare-disease-day-updates</loc><lastmod>2025-02-27</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/two-moms-take-a-walk</loc><lastmod>2025-01-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-big-5-happy-birthday-riaan</loc><lastmod>2024-12-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/disney-dreams-with-danny</loc><lastmod>2024-12-04</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-echo-that-we-create</loc><lastmod>2024-11-26</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/riaan-in-the-rockies</loc><lastmod>2024-09-16</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/they-speak-the-language-of-love</loc><lastmod>2024-08-08</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/to-tube-or-not-to-tube</loc><lastmod>2024-07-02</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/mind-body-and-soul</loc><lastmod>2024-06-28</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/a-mothers-day-heartbreak</loc><lastmod>2024-05-14</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-experience-of-time-and-memories</loc><lastmod>2024-04-27</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-well-of-heartbreak</loc><lastmod>2024-03-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/riaans-make-a-wish-trip</loc><lastmod>2024-03-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/happy-birthday-riaan-33f</loc><lastmod>2023-12-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/riaan-the-big-brother</loc><lastmod>2023-11-22</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/from-the-outside-looking-in</loc><lastmod>2023-09-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/breakfast-at-riaans</loc><lastmod>2023-07-11</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/our-first-emergency-room-visit</loc><lastmod>2023-06-03</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/happy-mothers-day</loc><lastmod>2023-06-18</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/precious-pre-school</loc><lastmod>2023-05-02</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/diagnosis-day-the-two-year-anniversary</loc><lastmod>2023-07-07</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/is-this-love</loc><lastmod>2023-02-14</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/raising-a-child-with-cockayne-syndrome</loc><lastmod>2023-02-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/scientists-funded-by-riaan-research</loc><lastmod>2023-01-30</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/confessions-of-a-rare-disease-mom</loc><lastmod>2023-02-16</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/a-boy-turns-three</loc><lastmod>2023-02-15</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/new-matching-campaign-act-now</loc><lastmod>2023-02-14</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-night-before-labor</loc><lastmod>2023-02-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/meet-our-danny-boy-our-world</loc><lastmod>2023-02-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/why-im-cycling-for-children-with</loc><lastmod>2023-02-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/on-grief-support-and-suicide</loc><lastmod>2023-02-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/what-being-a-rare-father-means-to</loc><lastmod>2023-02-11</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/celebrating-our-first-year</loc><lastmod>2025-11-01</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/what-is-mothers-day-to-a-rare-mom</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/cockayne-syndrome-patient-registry</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/im-not-ready-for-him-to-die</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-one-year-anniversary</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/on-motherhood-and-love</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/love4riaan-campaign</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-sounds-of-cockayne-syndrome</loc><lastmod>2025-03-04</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/be-realistic-but-plan-for-a-miracle</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-outstanding-olive-mae-marquez</loc><lastmod>2023-02-10</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/happy-birthday-riaan</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/its-givingtuesday</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/riaan-goes-for-a-walk</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/meet-our-twins-noah-and-marcus</loc><lastmod>2025-11-01</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/riaan-turns-22-months-old-and-we</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/microcephaly-or-a-small-head</loc><lastmod>2025-07-16</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/new-cockayne-syndrome-gene-therapy</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/a-day-in-the-life-of-a-rare-disease</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/birthday-reflections</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/lets-talk-about-mice</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/naptime-with-riaan</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/my-baby-boy-has-a-serious-life-threatening</loc><lastmod>2023-02-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/launch-riaan-research-initiative</loc><lastmod>2021-06-21</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/the-loneliness-of-rare-disease</loc><lastmod>2023-02-08</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/diagnosis-day</loc><lastmod>2021-04-20</lastmod><changefreq>monthly</changefreq></url><url><loc>https://riaanresearch.substack.com/p/coming-soon</loc><lastmod>2023-02-08</lastmod><changefreq>monthly</changefreq></url></urlset>