| article html file updated | 11 February 2020 06:58 CET | Update | https://www.mdpi.com/2073-4344/9/1/47 |
| article html file updated | 12 October 2019 22:32 CEST | Update | - |
| article html file updated | 27 April 2019 10:52 CEST | Update | - |
| article html file updated | 13 April 2019 06:50 CEST | Update | - |
| article html file updated | 2 April 2019 22:45 CEST | Update | - |
| article html file updated | 29 January 2019 05:45 CET | Update | - |
| article html file updated | 6 January 2019 09:50 CET | Original file | - |
| article pdf uploaded. | 6 January 2019 09:48 CET | Version of Record | https://www.mdpi.com/2073-4344/9/1/47/pdf |
| article xml uploaded. | 6 January 2019 09:48 CET | Update | https://www.mdpi.com/2073-4344/9/1/47/xml |
| article xml file uploaded | 6 January 2019 09:48 CET | Original file | - |
