International variation in the interpretation of renal transplant biopsies: Report of the CERTPAP Project11A complete listing of the participants who all contributed equally to the work of the CERTPAP Project includes Peter N. Furness (Leicester, UK); Nicholas Taub (Leicester, United Kingdom); Karel J.M. Assmann (Nijmegen, The Netherlands); Giovanni Banfi (Milan, Italy); John N. Botelis (Athens, Greece); Marta Carrera (Barcelona, Spain); Jean-Pierre Cosyns (Brussels, Belgium); Anthony M. Dorman (Dublin, Ireland); Dominique Droz (Paris, France); Claire M. Hill (Belfast, N. Ireland); Bela Iványi (Kossuth, Hungary); Silke Kapper (Mannheim, Germany); Erik N. Larsson (Uppsala, Sweden); Aryvdas Laurinavicius (Vilius, Lithuania); Niels Marcussen (Aachus, Denmark); Anna Paula Martins (Lisbon, Portugal); Michael J. Mihatsch (Basel, Switzerland); Lydia Nakopoulou (Athens, Greece); Volker Nickeleit (Basel, Switzerland); L-H Nöel (Paris, France); Timo Paavonen (Helsinki, Finland); Agnieszua K. Perkowska (Warsaw, Poland); Heinz Regele (Vienna, Austria); Rafail Rosenthal (Riga, Latvia); Pavel Rossmann (Prague, Czech Republic); Wotgech A. Rowinski (Warsaw, Poland); Daniel Seron (Barcelona, Spain); Stale Sund (Oslo, Norway); Eero I. Taskinen (Helsinki, Finland); Tatjana Tihomirova (Riga, Latvia); and Rudiger Waldherr (Mannheim, Germany).