| article html file updated | 29 August 2025 23:31 CEST | Update | https://www.mdpi.com/2073-4433/7/9/109 |
| article html file updated | 16 July 2022 03:10 CEST | Update | - |
| article html file updated | 7 February 2020 13:43 CET | Update | - |
| article html file updated | 5 May 2019 06:23 CEST | Update | - |
| article html file updated | 27 March 2019 14:26 CET | Update | - |
| article html file updated | 26 September 2016 08:37 CEST | Update | - |
| article html file updated | 23 August 2016 12:13 CEST | Original file | - |
| article xml uploaded. | 23 August 2016 12:11 CEST | Original file | https://www.mdpi.com/2073-4433/7/9/109/xml |
| article pdf uploaded. | 23 August 2016 12:11 CEST | Version of Record | https://www.mdpi.com/2073-4433/7/9/109/pdf |
