[1] Univ Med, Schlosspk Klin, Berlin, Germany
[2] Univ Texas Southwestern Med Ctr Dallas, Metroplex Clin Res Ctr, Dallas, TX 75390 USA
[3] Lithuanian Univ Hlth Sci, Kaunas, Lithuania
[4] Pfizer Inc, San Diego, CA USA
[5] Pfizer Inc, Collegeville, PA USA
[6] Pfizer Inc, Cambridge, MA USA