“…Characteristics of participants in 14 studies were described as follows: characteristics of study participants in Ethiopia were male and female under the age of 18 years old (Gezie et al, 2018). Cambodia, Thailand, Vietnamese were male, female, adolescents and children aged 10-17 years (Iglesias-rios et al, 2018;Aberdein & Zimmerman, 2015), Moldova special for female aged >18 years (Abas et al, 2013), Ghana special for girls and female without mentioning age (Okech et al, 2018), US to keep track of medical records of patients <18 years (Moore, Houck, Hirway, Barron, & Goldberg, 2017). South London and East London in search of medical records of children and women up to 30 years (Cary et al, 2016;Oram et al, 2015) India, Laos, Nepal without specifying gender and age, East Nusa Tenggara for women aged 21-37 years (Kiling-Bunga, 2019) and the rest did not mention the place, age, or gender of the participants (Rafferty, 2018).…”