A novel smartphone application for the tracking of procedural numbers and trainee experience in gastrointestinal endoscopy. - Sergio Zepeda-Gómez; Andrea Dávila-Cervantes; Aldo J. Montaño-Loza; David Yang; Daniel C. Baumgart; Karen I. Kroeker; Brendan P. Halloran (BMC Medical Informatics Decis. Mak., 2023)