Status of quarkonia-like negative and positive parity states in a relativistic confinement scheme Tanvi Bhavsar, Manan Shah and P. C. Vinodkumar Eur. Phys. J. C, 78 3 (2018) 227 Published online: 16 March 2018 DOI: 10.1140/epjc/s10052-018-5694-3