| article html file updated | 8 February 2020 08:02 CET | Update | https://www.mdpi.com/2072-4292/9/6/591 |
| article html file updated | 25 September 2019 07:05 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:56 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:49 CEST | Update | N/A |
| article html file updated | 12 June 2017 10:15 CEST | Original file | N/A |
| article xml uploaded. | 12 June 2017 10:14 CEST | Update | https://www.mdpi.com/2072-4292/9/6/591/xml |
| article pdf uploaded. | 12 June 2017 10:14 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/591/pdf |
| article pdf uploaded. | 11 June 2017 10:18 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/591/pdf-vor |
