| article html file updated | 29 August 2025 23:21 CEST | Update | https://www.mdpi.com/1996-1073/9/7/552 |
| article html file updated | 16 July 2022 02:51 CEST | Update | - |
| article html file updated | 7 February 2020 11:46 CET | Update | - |
| article html file updated | 5 May 2019 10:01 CEST | Update | - |
| article html file updated | 27 March 2019 10:25 CET | Update | - |
| article html file updated | 27 July 2016 10:00 CEST | Update | - |
| article html file updated | 15 July 2016 12:02 CEST | Original file | - |
| article xml uploaded. | 15 July 2016 12:01 CEST | Original file | https://www.mdpi.com/1996-1073/9/7/552/xml |
| article pdf uploaded. | 15 July 2016 12:01 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/7/552/pdf |
