| article html file updated | 11 February 2020 06:29 CET | Update | https://www.mdpi.com/2079-3197/7/1/4 |
| article html file updated | 12 October 2019 19:42 CEST | Update | - |
| article html file updated | 27 April 2019 11:54 CEST | Update | - |
| article html file updated | 13 April 2019 07:53 CEST | Update | - |
| article html file updated | 2 April 2019 21:39 CEST | Update | - |
| article html file updated | 2 April 2019 11:20 CEST | Update | - |
| article html file updated | 3 January 2019 11:06 CET | Original file | - |
| article pdf uploaded. | 3 January 2019 11:04 CET | Version of Record | https://www.mdpi.com/2079-3197/7/1/4/pdf |
| article xml uploaded. | 3 January 2019 11:04 CET | Update | https://www.mdpi.com/2079-3197/7/1/4/xml |
| article xml file uploaded | 3 January 2019 11:04 CET | Original file | - |
