| article html file updated | 8 February 2020 02:53 CET | Update | https://www.mdpi.com/2072-4292/9/4/344 |
| article html file updated | 24 September 2019 03:53 CEST | Update | - |
| article html file updated | 4 May 2019 03:38 CEST | Update | - |
| article html file updated | 29 April 2017 05:38 CEST | Update | - |
| article html file updated | 7 April 2017 13:09 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 13:08 CEST | Original file | https://www.mdpi.com/2072-4292/9/4/344/xml |
| article pdf uploaded. | 7 April 2017 13:08 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/4/344/pdf |
| article pdf uploaded. | 4 April 2017 12:12 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/344/pdf-vor |
