| article html file updated | 8 February 2020 09:13 CET | Update | https://www.mdpi.com/2073-4441/9/7/461 |
| article html file updated | 25 September 2019 13:26 CEST | Update | - |
| article html file updated | 3 May 2019 15:41 CEST | Update | - |
| article html file updated | 1 August 2017 09:27 CEST | Update | - |
| article html file updated | 25 June 2017 11:25 CEST | Original file | - |
| article xml uploaded. | 25 June 2017 11:24 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/461/xml |
| article pdf uploaded. | 25 June 2017 11:24 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/461/pdf |
