| article html file updated | 8 February 2020 06:32 CET | Update | https://www.mdpi.com/2072-4292/9/6/515 |
| article html file updated | 24 September 2019 23:27 CEST | Update | - |
| article html file updated | 3 May 2019 20:44 CEST | Update | - |
| article html file updated | 30 June 2017 09:25 CEST | Update | - |
| article html file updated | 23 May 2017 15:41 CEST | Original file | - |
| article xml uploaded. | 23 May 2017 15:40 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/515/xml |
| article pdf uploaded. | 23 May 2017 15:40 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/515/pdf |
