| article html file updated | 29 August 2025 22:08 CEST | Update | https://www.mdpi.com/1996-1944/8/9/5304 |
| article html file updated | 16 July 2022 00:55 CEST | Update | - |
| article html file updated | 6 February 2020 22:54 CET | Update | - |
| article html file updated | 6 May 2019 11:09 CEST | Update | - |
| article html file updated | 26 March 2019 10:55 CET | Original file | - |
| article xml file uploaded | 12 October 2015 07:20 CEST | Update | https://www.mdpi.com/1996-1944/8/9/5304/xml |
| article xml file uploaded | 17 September 2015 12:58 CEST | Original file | - |
| article pdf uploaded. | 17 September 2015 12:21 CEST | Updated version of record | https://www.mdpi.com/1996-1944/8/9/5304/pdf |
| article pdf uploaded. | 17 September 2015 12:20 CEST | Version of Record | - |
