| article html file updated | 8 February 2020 11:01 CET | Update | https://www.mdpi.com/2072-6643/9/7/751 |
| article html file updated | 25 September 2019 22:50 CEST | Update | - |
| article html file updated | 3 May 2019 12:21 CEST | Update | - |
| article html file updated | 2 August 2017 04:10 CEST | Update | - |
| article html file updated | 14 July 2017 12:54 CEST | Update | - |
| article html file updated | 14 July 2017 12:52 CEST | Update | - |
| article html file updated | 14 July 2017 12:51 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 12:50 CEST | Update | https://www.mdpi.com/2072-6643/9/7/751/xml |
| article pdf uploaded. | 14 July 2017 12:50 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/751/pdf |
