| article html file updated | 8 February 2020 17:40 CET | Update | https://www.mdpi.com/2072-6643/9/10/1091 |
| article html file updated | 27 September 2019 12:24 CEST | Update | - |
| article html file updated | 2 May 2019 22:59 CEST | Update | - |
| article html file updated | 6 November 2017 07:45 CET | Update | - |
| article html file updated | 2 October 2017 09:18 CEST | Original file | - |
| article xml uploaded. | 2 October 2017 09:17 CEST | Original file | https://www.mdpi.com/2072-6643/9/10/1091/xml |
| article pdf uploaded. | 2 October 2017 09:17 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/10/1091/pdf |
