Minjie Wu	Data analysis, writing of manuscript, critical review
Omalara Fatukasi	Data analysis, critical review
Shaolin Yang	Critical Review of manuscript, development of data analysis technique
Jeffery Alger	Conceptualization of study, critical review
Peter B. Barker	Conceptualization of study, critical review
Hoby Hetherington	Conceptualization of study, critical review
Tae Kim	Conceptualization of study, critical review
Andrew Levine	Conceptualization of study, data acquisition, critical review
Eileen Martin	Conceptualization of study, data acquisition, critical review
Cynthia A. Munro	Conceptualization of study, data acquisition, critical review
Todd Parrish	Conceptualization of study, data acquisition, critical review
Ann Ragin	Conceptualization of study, data acquisition, critical review
Ned Sacktor	Conceptualization of study, data acquisition, critical review
Eric Seaberg	Data analysis, critical review of manuscript
James T. Becker	Conceptualization of study, data acquisition, manuscript writing, critical review