| article html file updated | 8 February 2020 09:25 CET | Update | https://www.mdpi.com/2072-6643/9/7/669 |
| article html file updated | 25 September 2019 14:24 CEST | Update | - |
| article html file updated | 3 May 2019 15:20 CEST | Update | - |
| article html file updated | 2 August 2017 04:03 CEST | Update | - |
| article html file updated | 25 July 2017 08:09 CEST | Original file | - |
| article xml uploaded. | 25 July 2017 08:08 CEST | Update | https://www.mdpi.com/2072-6643/9/7/669/xml |
| article pdf uploaded. | 27 June 2017 15:50 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/7/669/pdf |
