| article html file updated | 8 February 2020 06:30 CET | Update | https://www.mdpi.com/2072-4292/9/6/511 |
| article html file updated | 24 September 2019 23:21 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:47 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:24 CEST | Update | N/A |
| article pdf uploaded. | 25 May 2017 12:04 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/511/pdf |
| article html file updated | 23 May 2017 14:37 CEST | Original file | N/A |
| article xml uploaded. | 23 May 2017 14:35 CEST | Update | https://www.mdpi.com/2072-4292/9/6/511/xml |
| article pdf uploaded. | 23 May 2017 14:35 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/511/pdf-vor |
