The genetic variation in the R1a clade among the Ashkenazi Levites’ Y chromosome

Behar, Doron M.; Saag, Lauri; Karmin, Monika; Gover, Meir G.; Wexler, Jeffrey D.; Sanchez, Luisa Fernanda; Greenspan, Elliott; Kushniarevich, Alena; Davydenko, Oleg; Sahakyan, Hovhannes; Yepiskoposyan, Levon; Boattini, Alessio; Sarno, Stefania; Pagani, Luca; Carmi, Shai; Tzur, Shay; Metspalu, Ene; Bormans, Concetta; Skorecki, Karl; Metspalu, Mait; Rootsi, Siiri; Villems, Richard