| article html file updated | 8 February 2020 04:21 CET | Update | https://www.mdpi.com/2071-1050/9/5/684 |
| article html file updated | 24 September 2019 12:10 CEST | Update | - |
| article html file updated | 4 May 2019 00:47 CEST | Update | - |
| article html file updated | 31 May 2017 10:24 CEST | Update | - |
| article html file updated | 25 April 2017 13:37 CEST | Original file | - |
| article xml uploaded. | 25 April 2017 13:36 CEST | Update | https://www.mdpi.com/2071-1050/9/5/684/xml |
| article pdf uploaded. | 25 April 2017 13:36 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/684/pdf |
