Sathian, B.; Asim, M.; Banerjee, I.; Roy, B.; Pizarro, A. B.; Mancha, M. A.; Teijlingen, E. R. van; Varkaneh, H. K.; Mekkodathil, A. A.; Subramanya, S. H.; Nascimento, I. J. B. do; Antony, N.; Menezes, R. G.; Simkhada, P.; Al Hamad, H. Development and Implementation of a Potential Coronavirus Disease 2019 (COVID-19) Vaccine: A Systematic Review and Meta-Analysis of Vaccine Clinical Trials. Nepal J Epidemiology 2021, 11, 959-982.