| article html file updated | 29 August 2025 23:18 CEST | Update | https://www.mdpi.com/2071-1050/8/7/621 |
| article html file updated | 16 July 2022 02:46 CEST | Update | N/A |
| article html file updated | 7 February 2020 11:09 CET | Update | N/A |
| article html file updated | 5 May 2019 11:08 CEST | Update | N/A |
| article html file updated | 27 March 2019 09:15 CET | Update | N/A |
| article html file updated | 29 July 2016 12:51 CEST | Update | N/A |
| article html file updated | 2 July 2016 04:53 CEST | Original file | N/A |
| article xml uploaded. | 2 July 2016 04:51 CEST | Original file | https://www.mdpi.com/2071-1050/8/7/621/xml |
| article pdf uploaded. | 2 July 2016 04:51 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/7/621/pdf |
