| article html file updated | 8 February 2020 09:30 CET | Update | https://www.mdpi.com/2072-4292/9/7/668 |
| article html file updated | 25 September 2019 14:51 CEST | Update | - |
| article html file updated | 3 May 2019 15:10 CEST | Update | - |
| article html file updated | 31 July 2017 09:05 CEST | Update | - |
| article html file updated | 29 June 2017 13:36 CEST | Original file | - |
| article xml uploaded. | 29 June 2017 13:34 CEST | Original file | https://www.mdpi.com/2072-4292/9/7/668/xml |
| article pdf uploaded. | 29 June 2017 13:34 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/7/668/pdf |
| article pdf uploaded. | 28 June 2017 13:17 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/7/668/pdf-vor |
