| article html file updated | 8 February 2020 07:14 CET | Update | https://www.mdpi.com/2072-4292/9/6/549 |
| article html file updated | 25 September 2019 03:01 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:26 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:35 CEST | Update | N/A |
| article pdf uploaded. | 5 June 2017 02:44 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/549/pdf |
| article html file updated | 5 June 2017 02:43 CEST | Original file | N/A |
| article xml uploaded. | 5 June 2017 02:41 CEST | Update | https://www.mdpi.com/2072-4292/9/6/549/xml |
| article pdf uploaded. | 1 June 2017 13:53 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/549/pdf-vor |
