The American Congress of Obstetricians and Gynecologists, formerly the American College of Obstetricians and Gynecologists, is a professional organization with over 50,000 members.

The American Medical Association promotes the art and science of medicine and the betterment of public health. Contact via the form on their website.

Amy Burdette, a sociologist at Florida State University, has conducted research into whether infidelity, marijuana use and other behaviors are more or less common among churchgoers.

The National Healthy Marriage Resource Center is a clearinghouse for high-quality, balanced and timely information and resources on healthy marriage. The organization’s mission is to be a first stop for information, resources and training on healthy marriage for experts, researchers, policymakers, media, marriage educators, couples and individuals, program providers and others.

The American Association for Marriage and Family Therapy is the professional association for the field of marriage and family therapy. The organization represents the professional interests of more than 50,000 marriage and family therapists throughout the United States, Canada and abroad.

Rabbi Elliot Dorff is a professor of philosophy and university rector at American Jewish University in Bel-Air, Calif. He is an expert in Jewish family issues, including adoption. He has studied the Jewish perspective on assisted death, transhumanism and ethics in general.

Joel Zimbelman, a California State University-Chico, religious studies professor, has written on legal decisions and public opinion informing the debate over the removal of life-sustaining treatment, assisted suicide and euthanasia.

Linda Ganzini, professor of psychiatry and medicine at Oregon Health Sciences University, surveyed 2,500 Oregon physicians and 500 hospice workers about patients’ experience of assisted suicide.

Darien Fenn, professor in the psychiatry department at Oregon Health Sciences University, has studied the attitude of Oregon psychologists toward physician-assisted suicide and the Oregon Death with Dignity Act. He can be emailed through a website contact form.