| article html file updated | 8 February 2020 07:15 CET | Update | https://www.mdpi.com/2072-6643/9/6/563 |
| article html file updated | 25 September 2019 03:07 CEST | Update | - |
| article html file updated | 3 May 2019 19:23 CEST | Update | - |
| article html file updated | 29 June 2017 11:42 CEST | Update | - |
| article html file updated | 2 June 2017 08:39 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 08:38 CEST | Original file | https://www.mdpi.com/2072-6643/9/6/563/xml |
| article pdf uploaded. | 2 June 2017 08:38 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/563/pdf |
