| article html file updated | 7 February 2020 20:29 CET | Update | https://www.mdpi.com/2071-1050/9/1/46 |
| article html file updated | 22 September 2019 16:16 CEST | Update | - |
| article html file updated | 4 May 2019 17:25 CEST | Update | - |
| article html file updated | 7 February 2017 09:48 CET | Update | - |
| article html file updated | 29 December 2016 11:15 CET | Original file | - |
| article xml uploaded. | 29 December 2016 11:13 CET | Original file | https://www.mdpi.com/2071-1050/9/1/46/xml |
| article pdf uploaded. | 29 December 2016 11:13 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/46/pdf |
