| article html file updated | 8 February 2020 06:35 CET | Update | https://www.mdpi.com/2072-6643/9/6/533 |
| article html file updated | 24 September 2019 23:42 CEST | Update | - |
| article html file updated | 3 May 2019 20:38 CEST | Update | - |
| article html file updated | 29 June 2017 11:50 CEST | Update | - |
| article html file updated | 24 May 2017 17:44 CEST | Original file | - |
| article xml uploaded. | 24 May 2017 17:43 CEST | Update | https://www.mdpi.com/2072-6643/9/6/533/xml |
| article pdf uploaded. | 24 May 2017 17:43 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/533/pdf |
