By Mehmet c.Oz...[et.al.] by Keith R.A....[et.al.] Lynne Chow...[et.al.] by Ulrich Loock...[et.al.] by George S.Keyes...[et.al.] by David Else...[et.al] by Paul Smitz...[et.al] By John Farndon...[et.al.] By Thomas Veser...[et.al.] by Maurice Kohl...[et.al.]