| article html file updated | 9 February 2020 10:44 CET | Update | https://www.mdpi.com/2073-4433/9/4/119 |
| article html file updated | 1 October 2019 20:28 CEST | Update | - |
| article html file updated | 1 May 2019 09:50 CEST | Update | - |
| article html file updated | 17 April 2019 09:44 CEST | Update | - |
| article html file updated | 29 March 2019 08:34 CET | Update | - |
| article html file updated | 1 May 2018 12:44 CEST | Update | - |
| article html file updated | 22 March 2018 02:19 CET | Original file | - |
| article xml uploaded. | 22 March 2018 02:18 CET | Original file | https://www.mdpi.com/2073-4433/9/4/119/xml |
| article pdf uploaded. | 22 March 2018 02:18 CET | Version of Record | https://www.mdpi.com/2073-4433/9/4/119/pdf |
