| article html file updated | 9 February 2020 06:27 CET | Update | https://www.mdpi.com/2079-4991/8/2/104 |
| article html file updated | 30 September 2019 18:17 CEST | Update | - |
| article html file updated | 1 May 2019 18:50 CEST | Update | - |
| article html file updated | 17 April 2019 18:06 CEST | Update | - |
| article html file updated | 28 March 2019 22:56 CET | Update | - |
| article html file updated | 15 March 2018 08:17 CET | Update | - |
| article html file updated | 14 March 2018 16:47 CET | Update | - |
| article html file updated | 12 February 2018 16:16 CET | Original file | - |
| article xml uploaded. | 12 February 2018 16:15 CET | Update | https://www.mdpi.com/2079-4991/8/2/104/xml |
| article xml uploaded. | 12 February 2018 16:15 CET | Original file | - |
| article pdf uploaded. | 12 February 2018 16:15 CET | Version of Record | https://www.mdpi.com/2079-4991/8/2/104/pdf |
