| article html file updated | 29 August 2025 23:03 CEST | Update | https://www.mdpi.com/1996-1073/9/5/349 |
| article html file updated | 16 July 2022 02:20 CEST | Update | - |
| article html file updated | 7 February 2020 08:20 CET | Update | - |
| article html file updated | 5 May 2019 16:30 CEST | Update | - |
| article html file updated | 27 March 2019 04:02 CET | Update | - |
| article html file updated | 26 May 2016 12:53 CEST | Update | - |
| article html file updated | 7 May 2016 10:57 CEST | Original file | - |
| article xml uploaded. | 7 May 2016 10:56 CEST | Original file | https://www.mdpi.com/1996-1073/9/5/349/xml |
| article pdf uploaded. | 7 May 2016 10:56 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/349/pdf |
