作者单位:Fred Hutchinson Canc Res Ctr, Clin Stat Div, 1124 Columbia St, Seattle, WA 98104 USA[1]Fred Hutchinson Canc Res Ctr, Bioinformat Resource, 1124 Columbia St, Seattle, WA 98104 USA[2]Fred Hutchinson Canc Res Ctr, Clin Res Div, 1124 Columbia St, Seattle, WA 98104 USA[3]