| article html file updated | 29 August 2025 23:29 CEST | Update | https://www.mdpi.com/1424-8247/9/3/48 |
| article html file updated | 16 July 2022 03:05 CEST | Update | - |
| article html file updated | 7 February 2020 13:14 CET | Update | - |
| article html file updated | 5 May 2019 07:17 CEST | Update | - |
| article html file updated | 27 March 2019 13:27 CET | Update | - |
| article html file updated | 9 November 2017 12:31 CET | Update | - |
| article html file updated | 27 October 2017 10:43 CEST | Update | - |
| article html file updated | 28 September 2016 11:57 CEST | Update | - |
| article html file updated | 12 August 2016 09:34 CEST | Original file | - |
| article xml uploaded. | 12 August 2016 09:33 CEST | Original file | https://www.mdpi.com/1424-8247/9/3/48/xml |
| article pdf uploaded. | 12 August 2016 09:33 CEST | Version of Record | https://www.mdpi.com/1424-8247/9/3/48/pdf |