| article html file updated | 8 February 2020 08:30 CET | Update | https://www.mdpi.com/2072-4292/9/6/621 |
| article html file updated | 25 September 2019 09:31 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:04 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:57 CEST | Update | N/A |
| article html file updated | 19 June 2017 12:12 CEST | Original file | N/A |
| article xml uploaded. | 19 June 2017 12:11 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/621/xml |
| article pdf uploaded. | 19 June 2017 12:11 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/621/pdf |
