| article html file updated | 11 February 2020 11:22 CET | Update | https://www.mdpi.com/2073-4395/9/2/48 |
| article html file updated | 13 October 2019 21:39 CEST | Update | - |
| article html file updated | 27 April 2019 01:48 CEST | Update | - |
| article html file updated | 12 April 2019 21:45 CEST | Update | - |
| article html file updated | 3 April 2019 09:05 CEST | Update | - |
| article html file updated | 4 March 2019 06:34 CET | Update | - |
| article html file updated | 24 January 2019 12:35 CET | Original file | - |
| article pdf uploaded. | 24 January 2019 12:33 CET | Version of Record | https://www.mdpi.com/2073-4395/9/2/48/pdf |
| article xml uploaded. | 24 January 2019 12:33 CET | Update | https://www.mdpi.com/2073-4395/9/2/48/xml |
| article xml file uploaded | 24 January 2019 12:33 CET | Original file | - |
