| article html file updated | 8 February 2020 08:18 CET | Update | https://www.mdpi.com/2072-4292/9/6/606 |
| article html file updated | 25 September 2019 08:33 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:26 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:54 CEST | Update | N/A |
| article html file updated | 15 June 2017 10:09 CEST | Original file | N/A |
| article xml uploaded. | 15 June 2017 10:07 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/606/xml |
| article pdf uploaded. | 15 June 2017 10:07 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/606/pdf |
| article pdf uploaded. | 14 June 2017 14:28 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/606/pdf-vor |
