Disclosures

This is a personal educational website by Jonathan S. Hausmann, MD. Opinions expressed here are my own and do not represent Boston Children’s Hospital, Harvard Medical School, or other organizations with which I am affiliated.

Medical information

Information on this site is for education. It does not establish a clinician–patient relationship and does not replace advice, diagnosis or treatment from your own health professional. Personal stories and historical workshop discussions should not be interpreted as an individual treatment recommendation.

Funding and affiliate links

The site’s stated policy is not to accept paid articles, sponsorships or display advertising. Some older articles contain affiliate links. Purchases through these links may generate a commission at no additional cost to the reader.

The site has participated in the Amazon Services LLC Associates Program. As an Amazon Associate, I earn from qualifying purchases. Affiliate relationships should be considered when evaluating a linked product; a link is not a medical recommendation.

Sources and updates

Clinical guides link to supporting sources. Dates identify when a page was updated; they do not imply that an external organization has endorsed or independently reviewed the page. Research findings are discussed with their limitations.

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Updated September 30, 2026.