Authors: Michael Pfreundschuh, Jöerg Schubert, Marita Ziepert, Rudolf Schmits, Martin Mohren, Eva Lengfelder, Marcel Reiser, Christina Nickenig, Michael Clemens, Norma Peter, Carsten Bokemeyer, Hartmut Eimermacher, Anthony D. Ho, Martin Hoffmann, Roland Mertelsmann, Lorenz Trümper, Leopold Balleisen, Rüediger Liersch, Bernd Metzner, Frank Hartmann, Bertram Glaß, Viola Poeschel, Norbert Schmitz, Christian Ruebe, Alfred C. Feller, Markus Loeffler - The Lancet 2008 cited by 1,135