| article html file updated | 9 February 2020 02:15 CET | Update | https://www.mdpi.com/2079-4991/8/1/28 |
| article html file updated | 29 September 2019 17:38 CEST | Update | - |
| article html file updated | 2 May 2019 03:55 CEST | Update | - |
| article html file updated | 18 April 2019 02:01 CEST | Update | - |
| article html file updated | 28 March 2019 13:41 CET | Update | - |
| article html file updated | 1 February 2018 08:31 CET | Update | - |
| article html file updated | 7 January 2018 11:19 CET | Original file | - |
| article xml uploaded. | 7 January 2018 11:18 CET | Update | https://www.mdpi.com/2079-4991/8/1/28/xml |
| article pdf uploaded. | 7 January 2018 11:18 CET | Version of Record | https://www.mdpi.com/2079-4991/8/1/28/pdf |
