 A study published in 2005 found O-M50 in 33.3% (13/39) of a sample of aboriginals in Taiwan, 18.2% (2/11) of a sample of people in Majuro, 17.1% (6/35) of a sample of Malagasy, 9.2% (6/65) of a sample of people in Kota Kinabalu, 9.1% (2/22) of a sample of people in Banjarmasin, 3.6% (1/28) of a sample of people in the Philippines, and 1.9% (1/52) of a sample of people in Vanuatu.Kayser "et al.