This author has not been identified. Look up 'Hassan El-Hajj' in GoogleThis author has not been identified. Look up 'Maryam Zamani' in GoogleThis author has not been identified. Look up 'Jochen Büttner' in GoogleThis author has not been identified. Look up 'Julius Martinetz' in GoogleThis author has not been identified. Look up 'Oliver Eberle' in GoogleThis author has not been identified. Look up 'Noga Shlomi' in GoogleThis author has not been identified. Look up 'Anna Siebold' in GoogleThis author has not been identified. Look up 'Grégoire Montavon' in GoogleThis author has not been identified. Look up 'Klaus-Robert Müller' in GoogleThis author has not been identified. Look up 'Holger Kantz' in GoogleThis author has not been identified. Look up 'Matteo Valleriani' in Google