| article html file updated | 9 February 2020 04:29 CET | Update | https://www.mdpi.com/2079-4991/8/2/70 |
| article html file updated | 30 September 2019 06:17 CEST | Update | - |
| article html file updated | 1 May 2019 23:17 CEST | Update | - |
| article html file updated | 17 April 2019 21:53 CEST | Update | - |
| article html file updated | 28 March 2019 18:38 CET | Update | - |
| article html file updated | 15 March 2018 08:10 CET | Update | - |
| article html file updated | 14 March 2018 16:41 CET | Update | - |
| article html file updated | 26 January 2018 15:53 CET | Original file | - |
| article xml uploaded. | 26 January 2018 15:52 CET | Update | https://www.mdpi.com/2079-4991/8/2/70/xml |
| article xml uploaded. | 26 January 2018 15:52 CET | Original file | - |
| article pdf uploaded. | 26 January 2018 15:49 CET | Version of Record | https://www.mdpi.com/2079-4991/8/2/70/pdf |
