| article html file updated | 7 February 2020 19:31 CET | Update | https://www.mdpi.com/2071-1050/8/12/1306 |
| article html file updated | 22 September 2019 10:57 CEST | Update | - |
| article html file updated | 4 May 2019 19:27 CEST | Update | - |
| article html file updated | 28 December 2016 08:18 CET | Update | - |
| article html file updated | 13 December 2016 09:17 CET | Original file | - |
| article xml uploaded. | 13 December 2016 09:16 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1306/xml |
| article pdf uploaded. | 13 December 2016 09:16 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1306/pdf |
