“…Many studies in the literature have focused on different populations and ethnic groups, such as African-American, 44,45 Caucasian, 33,34 Chinese, 22,37,39 Egyptians, 4,21,25 Turkish, 16,19,24,26,27,36,46,47 Saudi Arabian, 30 Korean, 35,40 Korean-American, 1 Indian American, 32 Persian, 42 Malays, 23 Malaysian Indian, 48 Sudanese, 31 Urhobos (Nigeria), 18 North American Caucasian, 5 Serbian, 17 Iranian 28 and Latvian 15 (Supplementary Tables 5-7, http://links.lww.com/SCS/C379). In previous studies, 1,4,5,[15][16][17][18][19][21][22][23][24][25][26][27][30][31][32][35]…”