| article html file updated | 9 February 2020 11:19 CET | Update | https://www.mdpi.com/2218-273X/8/2/16 |
| article html file updated | 1 October 2019 23:45 CEST | Update | - |
| article html file updated | 29 September 2019 08:29 CEST | Update | - |
| article html file updated | 1 May 2019 08:37 CEST | Update | - |
| article html file updated | 17 April 2019 08:31 CEST | Update | - |
| article html file updated | 29 March 2019 09:56 CET | Update | - |
| article html file updated | 26 March 2018 17:23 CEST | Original file | - |
| article xml uploaded. | 26 March 2018 14:12 CEST | Original file | https://www.mdpi.com/2218-273X/8/2/16/xml |
| article pdf uploaded. | 26 March 2018 14:12 CEST | Version of Record | https://www.mdpi.com/2218-273X/8/2/16/pdf |
