1. Dipartimento di Economia, Metodi Quantitativi e Strategie d’Impresa, Università di Milano – Bicocca, Milan, Italy
2. Clinical Trials and Biostatistics Unit, Istituto Oncologico Veneto IOV-IRCCS, Padova, Italy
3. Dipartimento di Economia e Management, Università di Pisa, Pisa, Italy
4. Institute of Statistics and Econometrics, Freie Universität Berlin, Berlin, Germany
5. Department of Social Statistics and Demography, Southampton Statistical Sciences Research Institute, University of Southampton, Southampton, UK