| article html file updated | 8 February 2020 08:52 CET | Update | https://www.mdpi.com/2072-4292/9/6/636 |
| article html file updated | 25 September 2019 11:28 CEST | Update | - |
| article html file updated | 3 May 2019 16:21 CEST | Update | - |
| article html file updated | 30 June 2017 10:01 CEST | Update | - |
| article html file updated | 22 June 2017 12:13 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 12:11 CEST | Update | https://www.mdpi.com/2072-4292/9/6/636/xml |
| article pdf uploaded. | 22 June 2017 12:06 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/636/pdf |
| article pdf uploaded. | 21 June 2017 14:27 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/636/pdf-vor |
