| article html file updated | 24 December 2025 13:59 CET | Update | https://www.mdpi.com/2071-1050/8/9/891 |
| article html file updated | 24 September 2025 18:45 CEST | Update | N/A |
| article html file updated | 7 February 2020 14:24 CET | Update | N/A |
| article html file updated | 5 May 2019 05:09 CEST | Update | N/A |
| article html file updated | 27 September 2016 05:18 CEST | Update | N/A |
| article html file updated | 3 September 2016 07:56 CEST | Original file | N/A |
| article xml uploaded. | 3 September 2016 07:54 CEST | Update | https://www.mdpi.com/2071-1050/8/9/891/xml |
| article xml uploaded. | 3 September 2016 07:54 CEST | Original file | N/A |
| article pdf uploaded. | 3 September 2016 07:54 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/891/pdf |
