| article html file updated | 29 August 2025 23:12 CEST | Update | https://www.mdpi.com/2071-1050/8/6/539 |
| article html file updated | 16 July 2022 02:35 CEST | Update | - |
| article html file updated | 7 February 2020 09:55 CET | Update | - |
| article html file updated | 5 May 2019 13:26 CEST | Update | - |
| article html file updated | 27 March 2019 07:01 CET | Update | - |
| article html file updated | 29 June 2016 05:28 CEST | Update | - |
| article html file updated | 8 June 2016 11:09 CEST | Original file | - |
| article xml uploaded. | 8 June 2016 11:08 CEST | Original file | https://www.mdpi.com/2071-1050/8/6/539/xml |
| article pdf uploaded. | 8 June 2016 11:08 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/6/539/pdf |
