Correspondence to Professor Christian Kopkow, Department für Angewandte Gesundheitswissenschaften, Hochschule für Gesundheit (University of Applied Sciences), Gesundheitscampus 6–8, Bochum 44801, ...

Marianne Bonner, CPCU, ARM, covers business insurance topics for Investopedia, building on 30 years of experience working in the insurance industry. She has written extensively for The Risk Report, ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...