Table 1.

Geographic distribution of the participants according to the World Bank country classification on income (n = 2166).

World bank country classification by income	List of countries and territories of participants (n = 32)	n (%)
Low-income countries	Ethiopia, Mozambique, Nepal, Rwanda, Syria, Tanzania, Uganda	30 (1.39)
Lower-middle-income countries	Bangladesh, Egypt, India, Kenya, Lesotho, Myanmar, Nigeria, Pakistan, Palestine, Philippines, Zimbabwe,	1674 (77.29)
Upper-middle-income countries	Albania, Iraq, Lebanon, South Africa, Suriname, Thailand	445 (20.54)
High-income countries	Cyprus, Germany, Greece, Italy, Japan, Republic of Korea, Sweden, United Kingdom	17 (0.78)