Effects of the COVID-19 pandemic on medical students: a multicenter quantitative study. BMC medical education 2021 https://researcherprofiles.org/profile/165307690 33407422 Harries AJ, Lee C, Jones L, Rodriguez RM, Davis JA, Boysen-Osborn M, Kashima KJ, Krane NK, Rae G, Kman N, Langsfeld JM, Juarez M