1. ; Department of Lipid Biochemistry, Institute of Biochemistry and Biophysics; Polish Academy of Sciences (PAS); Pawinskiego 5a Warsaw 02-106 Poland
2. ; Laboratory of Mass Spectrometry, Institute of Organic Chemistry; Polish Academy of Sciences (PAS); Kasprzaka 44/52 Warsaw 01-224 Poland
3. ; Faculty of Chemistry; University of Warsaw; Warsaw Poland