| article html file updated | 8 February 2020 09:06 CET | Update | https://www.mdpi.com/2073-4360/9/7/242 |
| article html file updated | 25 September 2019 12:43 CEST | Update | - |
| article html file updated | 3 May 2019 15:55 CEST | Update | - |
| article html file updated | 15 March 2019 10:10 CET | Update | - |
| article html file updated | 2 August 2017 04:17 CEST | Update | - |
| article html file updated | 23 June 2017 12:15 CEST | Original file | - |
| article xml uploaded. | 23 June 2017 12:14 CEST | Update | https://www.mdpi.com/2073-4360/9/7/242/xml |
| article pdf uploaded. | 23 June 2017 12:14 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/242/pdf |
