1. Department of Analytical Chemistry, Faculty of Chemistry; Jagiellonian University in Kraków; Poland
2. Institute of Forensic Research; Kraków Poland
3. Centro Regionale Antidoping e di Tossicologia “A. Bertinaria”; Orbassano (TO), Italy
4. Dipartimento di Chimica; Università degli Studi di Torino; Torino Italy
5. Department of Analytical Chemistry; Institute of Chemistry, The University of Silesia in Katowice; Poland