Lass, Piotr, Department of Nuclear Medicine, Medical University, Veterinary Hospital Łąkowa, Gdańsk, Poland Lass, Piotr, Department of Nuclear Medicine, Medical University, Gdañsk, Poland Lass, Piotr, Department of Nuclear Medicine, Medical University of Gdańsk, Poland Laszczyńska, Maria, Pomeranian Medical University in Szczecin Laszuk, Ewa, National Centre for Nuclear Research, Radioisotope Centre POLATOM, Otwock, Poland Laszuk, Ewa Lavina, Luca Scotto Le Ray, Patrick Ledwon, Aleksandra Lee, Joseph C. Lemaire, Olivier Lenda-Tracz, Wioletta Lenda-Tracz, Wioletta Lentas, Adam Leonardi, Lorenzo Leonova, Tatjana Lesiak, Jacek, Holycross Cancer Centre, Kielce Lette, Jean, Department of Nuclear Medicine, Maisonneuve-Rosemont Hospital Center, Montreal, QC, Canada Levasseur, André Lewandowska, Weronika Lewszuk, Andrzej Li, Lin Licińska, Iwona Lieberman, Gidon Liepe, Knut