| article html file updated | 8 February 2020 04:47 CET | Update | https://www.mdpi.com/2071-1050/9/5/720 |
| article html file updated | 24 September 2019 14:21 CEST | Update | - |
| article html file updated | 4 May 2019 00:01 CEST | Update | - |
| article html file updated | 31 May 2017 10:29 CEST | Update | - |
| article html file updated | 8 May 2017 12:42 CEST | Update | - |
| article xml uploaded. | 8 May 2017 12:40 CEST | Update | https://www.mdpi.com/2071-1050/9/5/720/xml |
| article pdf uploaded. | 8 May 2017 12:40 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/5/720/pdf |
| article html file updated | 30 April 2017 11:56 CEST | Original file | - |
| article pdf uploaded. | 30 April 2017 11:55 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/720/pdf-vor |
