1. Department of Pharmaceutical Sciences, College of Pharmacy University of Nebraska Medical Center Omaha Nebraska USA
2. Department of Pharmaceutical Chemistry, College of Pharmacy University of Ha'il Ha'il Saudi Arabia
3. Polo Scientifico, Laboratorio di Chimica Bioinorganica Università degli Studi di Firenze Sesto Fiorentino Florence Italy
4. Fred & Pamela Buffett Cancer Center University of Nebraska Medical Center Omaha Nebraska USA
5. UNMC Center for Drug Discovery University of Nebraska Medical Center Omaha Nebraska USA