[1] Univ Calif San Francisco, Dept Med, Div Gastroenterol, Zuckerberg San Francisco Gen Hosp, San Francisco, CA 94143 USA
[2] Washington State Univ, Elson S Floyd Coll Med, Dept Med Educ & Clin Sci, Spokane, WA USA
[3] Washington State Univ, Elson S Floyd Coll Med, Curriculum, Spokane, WA USA
[4] Univ Med Ctr Utrecht, Med Educ, Utrecht, Netherlands
[5] Univ Calif San Francisco, Dept Med, San Francisco, CA 94143 USA
[6] Univ Calif San Francisco, Ctr Fac Educators, Res & Dev Med Educ, San Francisco, CA 94143 USA
[7] Icahn Sch Med Mt Sinai, Dept Geriatr & Palliat Med, Dept Med Educ, Div Gastroenterol,Dept Med, New York, NY 10029 USA