Comparison between planar, SPECT and SPECT/computed tomography systems in 99mTc- nanocolloid sentinel lymph node imaging: phantom design and clinical investigations. Erratum. Issue 9 (September 2019) - Işikci, Nazenin Ipek; Abuqbeitah, Mohammad; Gunay, Osman; Yeyin, Nami; Uslu-Besli, Lebriz; Sager, Sait; Yasar, Dogan; Demir, Mustafa