This work was supported by grant from Medical University, Sofia, Bulgaria (N 23/2009) (RM).
Rumyana Markovska1, Ines Schneider2, Ylia Marteva-Proevska3, Ivan Mitov1, Adolf Bauernfeind2, Boyka Markova3
1Medical University, Sofia, Bulgaria,
2MICOER Institute, Munich, Germany,
3Alexandrovska University Hospital, Sofia, Bulgaria