Proteome Center Rostock, Joachim-Jungius-Strasse 9, 18059 Rostock, Germany.|Proteome Center Rostock, Joachim-Jungius-Strasse 9, 18059 Rostock, Germany.|Proteome Center Rostock, Joachim-Jungius-Strasse 9, 18059 Rostock, Germany.|Proteome Center Rostock, Joachim-Jungius-Strasse 9, 18059 Rostock, Germany.