| article html file updated | 30 August 2025 00:58 CEST | Update | https://www.mdpi.com/1996-1073/10/8/1221 |
| article html file updated | 16 July 2022 05:53 CEST | Update | - |
| article html file updated | 8 February 2020 13:45 CET | Update | - |
| article html file updated | 26 September 2019 14:19 CEST | Update | - |
| article html file updated | 3 May 2019 06:32 CEST | Update | - |
| article html file updated | 27 March 2019 21:16 CET | Update | - |
| article html file updated | 1 September 2017 07:04 CEST | Update | - |
| article html file updated | 22 August 2017 10:31 CEST | Original file | - |
| article xml uploaded. | 22 August 2017 10:29 CEST | Original file | https://www.mdpi.com/1996-1073/10/8/1221/xml |
| article pdf uploaded. | 22 August 2017 10:29 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/8/1221/pdf |
| article pdf uploaded. | 17 August 2017 13:27 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/8/1221/pdf-vor |