| article html file updated | 11 February 2020 08:45 CET | Update | https://www.mdpi.com/2073-4352/9/1/39 |
| article html file updated | 13 October 2019 07:59 CEST | Update | - |
| article html file updated | 27 April 2019 06:59 CEST | Update | - |
| article html file updated | 13 April 2019 03:06 CEST | Update | - |
| article html file updated | 3 April 2019 03:02 CEST | Update | - |
| article html file updated | 29 January 2019 09:36 CET | Update | - |
| article html file updated | 15 January 2019 02:00 CET | Original file | - |
| article pdf uploaded. | 14 January 2019 11:27 CET | Version of Record | https://www.mdpi.com/2073-4352/9/1/39/pdf |
| article xml uploaded. | 14 January 2019 11:27 CET | Update | https://www.mdpi.com/2073-4352/9/1/39/xml |
| article xml file uploaded | 14 January 2019 11:27 CET | Original file | - |
