Mentorship in field epidemiology training programs in the eastern mediterranean region: mentors' characteristics, perceived challenges, and training needs. - Khader Y; Al Nsour M; Bin-Ghouth A; Nooh RMS; Alsouri RK; Bani Mousa A; Letaief H; Majeed YY; Bashier H; Saeed KMI; Chrifi H; Osman MM; et al. (Frontiers in public health, 2025)