5GENESIS journal paper entitled “Multi-Carrier M-ary DCSK System With Code Index Modulation: An Efficient Solution for Chaotic Communications” has been published in IEEE Journal of Selected Topics in Signal Processing, Vol. 13, No. 6, pp.1375-1386, October 2019. DOI: 10.1109/JSTSP.2019.291394. You may access the paper online at the 5GENESIS website: https://5genesis.eu/wp-content/uploads/2020/09/Multi-Carrier-M-ary-DCSK-System-with-Code.pdf