| article html file updated | 7 February 2020 17:01 CET | Update | https://www.mdpi.com/2311-7524/2/4/17 |
| article html file updated | 22 September 2019 03:58 CEST | Update | N/A |
| article html file updated | 5 May 2019 00:23 CEST | Update | N/A |
| article html file updated | 26 October 2016 11:45 CEST | Original file | N/A |
| article xml uploaded. | 26 October 2016 11:43 CEST | Original file | https://www.mdpi.com/2311-7524/2/4/17/xml |
| article pdf uploaded. | 26 October 2016 11:43 CEST | Version of Record | https://www.mdpi.com/2311-7524/2/4/17/pdf |
