1. Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Laboratory of Mutagenesis and DNA Repair, Warsaw, 02-106, Poland
2. Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Mass Spectrometry Laboratory, Warsaw, 02-106, Poland
3. Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Department of Genetics, Warsaw, 02-106, Poland