Comparison of temperature measurements of pacemaker leads in a 1.0T high field open MRI and a 1.5T classic cylindrical MRI: initial results - Katus Hugo A; Dössel Olaf; Giannitsis Evangelos; Petry Gerriet; Ebner Julian J; Seitz Sebastian A; Steen Henning (Journal of Cardiovascular Magnetic Resonance, 2011)