| article html file updated | 8 February 2020 02:48 CET | Update | https://www.mdpi.com/2072-6643/9/4/352 |
| article html file updated | 24 September 2019 03:26 CEST | Update | - |
| article html file updated | 4 May 2019 03:48 CEST | Update | - |
| article html file updated | 28 April 2017 11:47 CEST | Update | - |
| article html file updated | 5 April 2017 09:38 CEST | Update | - |
| article xml uploaded. | 5 April 2017 09:36 CEST | Update | https://www.mdpi.com/2072-6643/9/4/352/xml |
| article pdf uploaded. | 5 April 2017 09:36 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/4/352/pdf |
| article html file updated | 2 April 2017 10:52 CEST | Original file | - |
| article pdf uploaded. | 2 April 2017 10:51 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/352/pdf-vor |
