This author has not been identified. Look up 'Eric Halgren' in GoogleThis author has not been identified. Look up 'Chun Mao Wang' in GoogleThis author has not been identified. Look up 'Donald L. Schomer' in GoogleThis author has not been identified. Look up 'Susanne Knake' in GoogleThis author has not been identified. Look up 'Ksenija Marinkovic' in GoogleThis author has not been identified. Look up 'Julian Wu' in GoogleThis author has not been identified. Look up 'István Ulbert' in Google