Author information:
(1)Department of Legal Medicine and Forensic Sciences, Faculty of Medicine, 
University of Porto, Porto, Portugal; REQUIMTE, Laboratory of Toxicology, 
Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 
Porto, Portugal; EPSJV-Polythecnical School of Health Joaquim Venâncio, Oswaldo 
Cruz Foundation, Rio de Janeiro, Brazil. Electronic address: 
manuhpa@hotmail.com.
(2)DoA-CUNI-Addiction Research Centre, Utrecht, The Netherlands; Department of 
Addictology, 1st Faculty of Medicine, Charles University in Prague and General 
University Hospital in Prague, Prague, Czech Republic.
(3)Center of Medical Chemistry (CEQUIMED-UP), Faculty of Pharmacy, University of 
Porto, Porto, Portugal; Interdisciplinary Center of Marine and Environmental 
Investigation (CIIMAR/CIMAR) , Porto, Portugal.
(4)Department of Analytical Chemistry, Chemistry Institute, Fluminense Federal 
University, Niterói, Brazil.
(5)REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, 
Faculty of Pharmacy, University of Porto, Porto, Portugal.
(6)Department of Legal Medicine and Forensic Sciences, Faculty of Medicine, 
University of Porto, Porto, Portugal; REQUIMTE, Laboratory of Toxicology, 
Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 
Porto, Portugal; IINFACTS-Institute of Research and Advanced Training in Health 
Sciences and Technologies, Department of Sciences, Advanced Institute of Health 
Sciences-North (ISCS-N), CESPU, CRL, Gandra, Portugal. Electronic address: 
ricardinis@sapo.pt.