| article html file updated | 8 February 2020 09:08 CET | Update | https://www.mdpi.com/2073-4360/9/7/244 |
| article html file updated | 25 September 2019 12:55 CEST | Update | - |
| article html file updated | 3 May 2019 15:52 CEST | Update | - |
| article html file updated | 15 March 2019 10:11 CET | Update | - |
| article html file updated | 2 August 2017 04:18 CEST | Update | - |
| article html file updated | 23 June 2017 15:10 CEST | Original file | - |
| article xml uploaded. | 23 June 2017 15:09 CEST | Update | https://www.mdpi.com/2073-4360/9/7/244/xml |
| article pdf uploaded. | 23 June 2017 15:09 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/244/pdf |
