1. Faculty of Mathematics and Natural SciencesUniversity Wuppertal 42119 Wuppertal Germany
2. Institut für Genetik von HerzerkrankungenUniversity Hospital Münster Albert-Schweitzer-Campus 1 48149 Münster Germany
3. Department of ChemistryHue University 34 Le Loi St. Hue City Vietnam
4. Medical Faculty, Institute of Anatomy Department of CytologyRuhr University Bochum 44801 Bochum Germany