| article html file updated | 11 February 2020 06:20 CET | Update | https://www.mdpi.com/2073-4360/11/1/57 |
| article html file updated | 12 October 2019 18:52 CEST | Update | - |
| article html file updated | 27 April 2019 12:14 CEST | Update | - |
| article html file updated | 13 April 2019 08:12 CEST | Update | - |
| article html file updated | 2 April 2019 21:19 CEST | Update | - |
| article html file updated | 29 January 2019 04:46 CET | Update | - |
| article html file updated | 3 January 2019 02:50 CET | Update | - |
| article html file updated | 3 January 2019 02:29 CET | Original file | - |
| article pdf uploaded. | 2 January 2019 12:26 CET | Version of Record | https://www.mdpi.com/2073-4360/11/1/57/pdf |
| article xml uploaded. | 2 January 2019 12:26 CET | Update | https://www.mdpi.com/2073-4360/11/1/57/xml |
| article xml file uploaded | 2 January 2019 12:26 CET | Original file | - |
