Original sentence: The American Academy of Anti-Aging Medicine (A4M) is a United States registered 501(c)(3) nonprofit organization which promotes what it calls "anti-aging medicine," a field not recognized by the American Board of Medical Specialties.The American Academy of Anti-Aging Medicine was founded in 1993 by several doctors with the goal of "never growing old"
Edited sentence: Anti-aging medicine field has not joined the American Board of Medical Specialties.Ronald Klatz  and Robert Goldman founded the anti-aging medical movement in 1992 in Chicago with the formation of the American Academy of Anti-Aging Medicine (A4M).The American Academy of Anti-Aging Medicine (A4M) is a United States registered 501(c)(3) nonprofit organization which promotes anti-aging medicine.The founders, both of whom are medically licensed doctors of osteopathic medicine (D.s) in the USA and licensed MDs overseas