Published online: 31 May 2019
C. Andreani, C.-K. Loong and G. Prete
It is a great pleasure to receive your message regarding the acceptance of our manuscript for publication in EPJPlus. We deeply appreciate the quick review of the manuscript and sincerely thank you and others in the EPJP Editorial Office. We would also like to extend our appreciation to the referee for his positive review and his nice words.