| article html file updated | 29 August 2025 23:45 CEST | Update | https://www.mdpi.com/1996-1073/9/10/820 |
| article html file updated | 16 July 2022 03:35 CEST | Update | - |
| article html file updated | 7 February 2020 16:23 CET | Update | - |
| article pdf uploaded. | 26 August 2019 09:45 CEST | Updated version of record | https://www.mdpi.com/1996-1073/9/10/820/pdf |
| article html file updated | 5 May 2019 01:36 CEST | Update | - |
| article pdf uploaded. | 21 January 2019 05:33 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/10/820/pdf-vor |
| article html file updated | 28 October 2016 09:58 CEST | Update | - |
| article html file updated | 18 October 2016 07:56 CEST | Update | - |
| article xml uploaded. | 18 October 2016 07:54 CEST | Update | https://www.mdpi.com/1996-1073/9/10/820/xml |
| article html file updated | 18 October 2016 07:51 CEST | Update | - |
| article xml uploaded. | 18 October 2016 07:50 CEST | Update | - |
| article xml uploaded. | 18 October 2016 07:49 CEST | Update | - |
| article pdf uploaded. | 18 October 2016 07:49 CEST | Updated version of record | https://www.mdpi.com/1996-1073/9/10/820/pdf-vor |
| article html file updated | 14 October 2016 13:18 CEST | Original file | - |
| article xml uploaded. | 14 October 2016 13:17 CEST | Original file | - |
| article pdf uploaded. | 14 October 2016 13:17 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/820/pdf-vor |
