| article html file updated | 11 February 2020 04:31 CET | Update | https://www.mdpi.com/2079-3197/7/1/2 |
| article html file updated | 12 October 2019 07:14 CEST | Update | - |
| article html file updated | 27 April 2019 16:21 CEST | Update | - |
| article html file updated | 13 April 2019 12:13 CEST | Update | - |
| article html file updated | 2 April 2019 16:48 CEST | Update | - |
| article html file updated | 2 April 2019 11:19 CEST | Update | - |
| article html file updated | 21 December 2018 08:13 CET | Original file | - |
| article pdf uploaded. | 21 December 2018 08:12 CET | Version of Record | https://www.mdpi.com/2079-3197/7/1/2/pdf |
| article xml uploaded. | 21 December 2018 08:12 CET | Update | https://www.mdpi.com/2079-3197/7/1/2/xml |
| article xml file uploaded | 21 December 2018 08:12 CET | Original file | - |
