| article html file updated | 30 August 2025 01:43 CEST | Update | https://www.mdpi.com/2071-1050/9/11/2104 |
| article html file updated | 16 July 2022 07:25 CEST | Update | - |
| article html file updated | 8 February 2020 21:24 CET | Update | - |
| article html file updated | 28 September 2019 12:54 CEST | Update | - |
| article html file updated | 2 May 2019 14:32 CEST | Update | - |
| article html file updated | 18 April 2019 12:11 CEST | Update | - |
| article html file updated | 30 November 2017 13:15 CET | Update | - |
| article html file updated | 16 November 2017 15:19 CET | Original file | - |
| article xml uploaded. | 16 November 2017 15:17 CET | Original file | https://www.mdpi.com/2071-1050/9/11/2104/xml |
| article pdf uploaded. | 16 November 2017 15:17 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2104/pdf |