“…A high frequency of FEH has been observed among Indians from North, Central, and South America (9,10,12,13), Eskimos from Greetiland and North Canada (14)(15)(16), and people in South Africa (17,18). This condition has also been reported, although less commonly, in individuals from Argentina (19), Australia (20), Denmark (14), East Africa (Sudan) (21), Egypt (22), England (7), Finland (8,23), Scotland (7), Iran (1), Iraq (24), Israel (25), Italy (26), Lybia (27), Mexico (28)(29)(30), the Netherlands (31), North Africa (11), Norway (2,32), Puerto Rico (33), Sweden (34,35), Turkey (II), and West Africa (Nigeria) (36).…”