| article html file updated | 8 February 2020 20:27 CET | Update | https://www.mdpi.com/2071-1050/9/11/2026 |
| article html file updated | 28 September 2019 06:31 CEST | Update | - |
| article html file updated | 2 May 2019 16:43 CEST | Update | - |
| article html file updated | 30 November 2017 12:41 CET | Update | - |
| article html file updated | 6 November 2017 14:33 CET | Original file | - |
| article xml uploaded. | 6 November 2017 14:32 CET | Original file | https://www.mdpi.com/2071-1050/9/11/2026/xml |
| article pdf uploaded. | 6 November 2017 14:32 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2026/pdf |
