| article html file updated | 7 February 2020 20:27 CET | Update | https://www.mdpi.com/2071-1050/9/1/36 |
| article html file updated | 22 September 2019 16:00 CEST | Update | - |
| article html file updated | 4 May 2019 17:31 CEST | Update | - |
| article html file updated | 7 February 2017 09:45 CET | Update | - |
| article html file updated | 28 December 2016 11:01 CET | Original file | - |
| article xml uploaded. | 28 December 2016 10:53 CET | Update | https://www.mdpi.com/2071-1050/9/1/36/xml |
| article xml uploaded. | 28 December 2016 10:53 CET | Original file | - |
| article pdf uploaded. | 28 December 2016 10:53 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/36/pdf |
