| article html file updated | 9 February 2020 15:55 CET | Update | https://www.mdpi.com/2218-273X/8/2/22 |
| article html file updated | 3 October 2019 03:21 CEST | Update | N/A |
| article html file updated | 29 September 2019 08:30 CEST | Update | N/A |
| article html file updated | 30 April 2019 23:24 CEST | Update | N/A |
| article html file updated | 17 April 2019 00:00 CEST | Update | N/A |
| article html file updated | 29 March 2019 20:40 CET | Update | N/A |
| article html file updated | 1 May 2018 14:54 CEST | Original file | N/A |
| article pdf uploaded. | 1 May 2018 08:54 CEST | Version of Record | https://www.mdpi.com/2218-273X/8/2/22/pdf |
| article xml uploaded. | 1 May 2018 08:54 CEST | Update | https://www.mdpi.com/2218-273X/8/2/22/xml |
| article xml file uploaded | 1 May 2018 08:54 CEST | Original file | N/A |
