| article html file updated | 8 February 2020 02:50 CET | Update | https://www.mdpi.com/2072-4292/9/4/342 |
| article html file updated | 24 September 2019 03:35 CEST | Update | - |
| article html file updated | 4 May 2019 03:46 CEST | Update | - |
| article html file updated | 29 April 2017 05:39 CEST | Update | - |
| article html file updated | 7 April 2017 04:04 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 04:03 CEST | Original file | https://www.mdpi.com/2072-4292/9/4/342/xml |
| article pdf uploaded. | 7 April 2017 04:03 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/4/342/pdf |
| article pdf uploaded. | 3 April 2017 09:35 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/342/pdf-vor |
