Authors: Ugochukwu N Udogwu; Andrea Howe; Katherine Frey; Marckenley Isaac; Daniel Connelly; Dimitrius Marinos; Mitchell Baker; Renan C Castillo; Gerard P Slobogean; Robert V O'Toole; Nathan N O'Hara Journal: BMC Med Res Methodol Date: 2019-12-26 Impact factor: 4.615