| article html file updated | 9 February 2020 09:32 CET | Update | https://www.mdpi.com/2079-4991/8/3/157 |
| article html file updated | 1 October 2019 13:15 CEST | Update | - |
| article html file updated | 1 May 2019 12:24 CEST | Update | - |
| article html file updated | 17 April 2019 12:08 CEST | Update | - |
| article html file updated | 29 March 2019 05:53 CET | Update | - |
| article html file updated | 26 March 2018 14:15 CEST | Update | - |
| article html file updated | 12 March 2018 16:40 CET | Original file | - |
| article xml uploaded. | 12 March 2018 16:38 CET | Original file | https://www.mdpi.com/2079-4991/8/3/157/xml |
| article pdf uploaded. | 12 March 2018 16:38 CET | Version of Record | https://www.mdpi.com/2079-4991/8/3/157/pdf |
