1. ETH Zürich, Mathematik, HG G51.2, Rämistrasse 101, CH 8092 Zürich, Switzerland
2. Swiss Finance Institute, Walchestrasse 9, CH 8006 Zürich, Switzerland
3. ETH Zürich, Mathematik, HG GO47.2, Rämistrasse 101, CH 8092 Zürich, Switzerland
4. Universität Zürich, Center for Finance and Insurance, AND 2.41, Andreasstrasse 15, CH 8050 Zürich, Switzerland