JAK2 and acquired polycythemia vera: Taking into consideration molecular subtypes, TET2 variant allele was associated with JAK2 V617F-positive PV and PMF (OR = 1.70; 95% CI: 1.01–2.91; p-value = 0.046, and OR = 2.04; 95% CI: 1.10–3.77; p-value = 0.024, respectively).