This author has not been identified. Look up 'Stefan Ritterhoff' in GoogleThis author has not been identified. Look up 'Georg Maringer' in GoogleThis author has not been identified. Look up 'Sebastian Bitzer' in GoogleThis author has not been identified. Look up 'Violetta Weger' in GoogleThis author has not been identified. Look up 'Patrick Karl' in GoogleThis author has not been identified. Look up 'Thomas Schamberger' in GoogleThis author has not been identified. Look up 'Jonas Schupp' in GoogleThis author has not been identified. Look up 'Antonia Wachter-Zeh' in Google