| article html file updated | 8 February 2020 04:28 CET | Update | https://www.mdpi.com/2071-1050/9/5/686 |
| article html file updated | 24 September 2019 12:43 CEST | Update | - |
| article html file updated | 4 May 2019 00:35 CEST | Update | - |
| article html file updated | 31 May 2017 10:24 CEST | Update | - |
| article html file updated | 22 May 2017 12:19 CEST | Update | - |
| article xml uploaded. | 22 May 2017 12:18 CEST | Update | https://www.mdpi.com/2071-1050/9/5/686/xml |
| article pdf uploaded. | 22 May 2017 12:18 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/5/686/pdf |
| article html file updated | 26 April 2017 15:52 CEST | Original file | - |
| article pdf uploaded. | 26 April 2017 15:51 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/686/pdf-vor |
