| article html file updated | 11 February 2020 07:04 CET | Update | https://www.mdpi.com/2071-1050/11/1/257 |
| article html file updated | 12 October 2019 23:04 CEST | Update | - |
| article html file updated | 27 April 2019 10:40 CEST | Update | - |
| article html file updated | 13 April 2019 06:38 CEST | Update | - |
| article html file updated | 2 April 2019 22:58 CEST | Update | - |
| article html file updated | 16 January 2019 08:57 CET | Update | - |
| article html file updated | 7 January 2019 08:58 CET | Original file | - |
| article pdf uploaded. | 7 January 2019 08:57 CET | Version of Record | https://www.mdpi.com/2071-1050/11/1/257/pdf |
| article xml uploaded. | 7 January 2019 08:57 CET | Update | https://www.mdpi.com/2071-1050/11/1/257/xml |
| article xml file uploaded | 7 January 2019 08:57 CET | Original file | - |
