1. a University of Iowa, Department of History , 280 Schaeffer Hall, Iowa City , IA 52245 , United States
2. b Hong Kong University of Science and Technology, Room 3361, School of Humanities and Social Science, The Hong Kong University of Science and Technology , Clearwater Bay, Kowloon, Hong Kong
3. c UCLA, Department of Sociology , 264 Haines Hall - Box 951551, Los Angeles , CA 90095-1551 , United States