| article html file updated | 8 February 2020 02:31 CET | Update | https://www.mdpi.com/2072-4292/9/4/325 |
| article html file updated | 24 September 2019 01:43 CEST | Update | - |
| article html file updated | 4 May 2019 04:27 CEST | Update | - |
| article html file updated | 29 April 2017 05:44 CEST | Update | - |
| article html file updated | 30 March 2017 10:26 CEST | Original file | - |
| article xml uploaded. | 30 March 2017 10:24 CEST | Update | https://www.mdpi.com/2072-4292/9/4/325/xml |
| article pdf uploaded. | 30 March 2017 10:24 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/4/325/pdf |
| article pdf uploaded. | 29 March 2017 14:34 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/325/pdf-vor |
