1. Faculty of Finance, Cass Business School, City, University of London, London, UK
2. Freiburg Institute for Advanced Studies (FRIAS), Freiburg im Breisgau, Germany
3. Department of Mathematical Stochastics, University of Freiburg, Freiburg im Breisgau, Germany
4. University of Strasbourg Institute for Advanced Study (USIAS), Strasbourg, France