This author has not been identified. Look up 'Qiang He' in GoogleThis author has not been identified. Look up 'Jun Han' in GoogleThis author has not been identified. Look up 'Yun Yang' in GoogleThis author has not been identified. Look up 'Hai Jin' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Jean-Guy Schneider' in GoogleThis author has not been identified. Look up 'Steven Versteeg' in Google