| article html file updated | 30 August 2025 03:28 CEST | Update | https://www.mdpi.com/1996-1073/11/4/923 |
| article html file updated | 16 July 2022 10:42 CEST | Update | - |
| article html file updated | 9 February 2020 13:42 CET | Update | - |
| article html file updated | 2 October 2019 14:16 CEST | Update | - |
| article html file updated | 1 May 2019 03:43 CEST | Update | - |
| article html file updated | 17 April 2019 04:05 CEST | Update | - |
| article html file updated | 29 March 2019 15:25 CET | Update | - |
| article html file updated | 1 May 2018 09:32 CEST | Update | - |
| article html file updated | 23 April 2018 06:53 CEST | Update | - |
| article xml uploaded. | 23 April 2018 06:51 CEST | Update | https://www.mdpi.com/1996-1073/11/4/923/xml |
| article pdf uploaded. | 23 April 2018 06:51 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/923/pdf |
| article html file updated | 13 April 2018 16:54 CEST | Original file | - |
| article pdf uploaded. | 13 April 2018 16:52 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/923/pdf-vor |