[1] IRCCS, Fdn S Maugeri, Mol Cardiol & Electrophysiol Lab, I-27100 Pavia, Italy
[2] CNRS, Inst Pharmacol Mol & Cellulaire, Lab Genet Neurotransmiss, F-06560 Valbonne, France
[3] Univ Utrecht Hosp, Heart Lung Inst, Utrecht, Netherlands
[4] Univ Munster, Med Klin & Poliklin, D-4400 Munster, Germany
[5] Univ Utrecht, Physiol Lab, Utrecht, Netherlands
[6] Univ Bern, Dept Physiol, CH-3012 Bern, Switzerland
[7] Univ London St Georges Hosp, Sch Med, Dept Cardiol Sci, London SW17 0RE, England
[8] Vanderbilt Univ, Med Ctr, Div Med & Pharmacol, Nashville, TN USA
[9] Case Western Reserve Univ, Dept Biomed Engn, Cleveland, OH 44106 USA
[10] Grp Hosp Pitie Salpetriere, INSERM, U153, F-75634 Paris, France
[11] IRCCS, Policlin San Matteo, Dipartimento Cardiol, Pavia, Italy
[12] Texas Childrens Hosp, Baylor Coll Med, Houston, TX 77030 USA
[13] Univ Amsterdam, Acad Med Ctr, Dept Clin & Expt Cardiol, NL-1105 AZ Amsterdam, Netherlands