| article html file updated | 8 February 2020 03:48 CET | Update | https://www.mdpi.com/2072-6643/9/4/398 |
| article html file updated | 24 September 2019 09:04 CEST | Update | - |
| article html file updated | 4 May 2019 01:48 CEST | Update | - |
| article html file updated | 28 April 2017 11:52 CEST | Update | - |
| article html file updated | 28 April 2017 11:33 CEST | Update | - |
| article xml uploaded. | 28 April 2017 10:08 CEST | Update | https://www.mdpi.com/2072-6643/9/4/398/xml |
| article pdf uploaded. | 28 April 2017 10:08 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/4/398/pdf |
| article html file updated | 18 April 2017 11:29 CEST | Original file | - |
| article pdf uploaded. | 18 April 2017 11:27 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/398/pdf-vor |
