Volume 8, Issue 4, December 2019, Pages 431-438
10.1007/s40093-019-0275-5
Luis Antonio Barzallo-Bravo; David Carrera-Villacrés; Rafael Eduardo Vargas-Verdesoto; Lourdes Karina Ponce-Loaiza; Modesto Correoso; Álvaro Petronio Gavilanes-Quishpi