| article html file updated | 11 February 2020 15:26 CET | Update | https://www.mdpi.com/2073-4395/9/2/81 |
| article html file updated | 14 October 2019 20:42 CEST | Update | - |
| article html file updated | 26 April 2019 17:57 CEST | Update | - |
| article html file updated | 12 April 2019 13:54 CEST | Update | - |
| article html file updated | 3 April 2019 19:01 CEST | Update | - |
| article html file updated | 4 March 2019 06:48 CET | Update | - |
| article html file updated | 28 February 2019 21:46 CET | Update | - |
| article html file updated | 23 February 2019 09:00 CET | Original file | - |
| article pdf uploaded. | 23 February 2019 08:58 CET | Updated version of record | https://www.mdpi.com/2073-4395/9/2/81/pdf |
| article xml uploaded. | 23 February 2019 08:58 CET | Update | https://www.mdpi.com/2073-4395/9/2/81/xml |
| article xml file uploaded | 23 February 2019 08:58 CET | Update | - |
| article pdf uploaded. | 12 February 2019 15:45 CET | Version of Record | https://www.mdpi.com/2073-4395/9/2/81/pdf-vor |
| article xml file uploaded | 12 February 2019 15:45 CET | Original file | - |
