+#if CLITK_PRIVATE_FEATURES
+ clitk::UsfImageIOFactory::RegisterOneFactory();
+ clitk::USVoxImageIOFactory::RegisterOneFactory();
+#endif
+ clitk::GateAsciiImageIOFactory::RegisterOneFactory();
+ clitk::DicomRTDoseIOFactory::RegisterOneFactory();
+#if ITK_VERSION_MAJOR <= 3