| article html file updated | 8 February 2020 06:40 CET | Update | https://www.mdpi.com/2072-4292/9/6/522 |
| article html file updated | 25 September 2019 00:12 CEST | Update | - |
| article html file updated | 3 May 2019 20:27 CEST | Update | - |
| article html file updated | 30 June 2017 09:27 CEST | Update | - |
| article html file updated | 25 May 2017 13:30 CEST | Original file | - |
| article xml uploaded. | 25 May 2017 13:29 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/522/xml |
| article pdf uploaded. | 25 May 2017 13:29 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/522/pdf |
