| article html file updated | 30 August 2025 01:51 CEST | Update | https://www.mdpi.com/2071-1050/9/12/2226 |
| article html file updated | 16 July 2022 07:43 CEST | Update | - |
| article html file updated | 13 September 2021 06:04 CEST | Update | - |
| article html file updated | 8 February 2020 22:45 CET | Update | - |
| article html file updated | 28 September 2019 21:23 CEST | Update | - |
| article html file updated | 2 May 2019 11:31 CEST | Update | - |
| article html file updated | 18 April 2019 09:08 CEST | Update | - |
| article html file updated | 2 January 2018 17:57 CET | Update | - |
| article html file updated | 4 December 2017 06:02 CET | Update | - |
| article xml uploaded. | 4 December 2017 06:01 CET | Update | https://www.mdpi.com/2071-1050/9/12/2226/xml |
| article pdf uploaded. | 4 December 2017 06:01 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/12/2226/pdf |
| article html file updated | 2 December 2017 09:58 CET | Original file | - |
| article xml uploaded. | 2 December 2017 09:57 CET | Original file | - |
| article pdf uploaded. | 2 December 2017 09:57 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/12/2226/pdf-vor |
| article pdf uploaded. | 1 December 2017 11:04 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2226/pdf-vor |
