Best practice for the nuclear medicine technologist in CT-based attenuation correction and calcium score for nuclear cardiology oleh Luca Camoni, Andrea Santos, Marieclaire Attard, Marius Ovidiu Mada, Agata Karolina Pietrzak, Sonja Rac, Sebastijan Rep, Christelle Terwinghe, Pedro Fragoso Costa, on behalf of the Technologist Committee of the European Association of Nuclear Medicine (EANM)