| article html file updated | 29 August 2025 20:43 CEST | Update | https://www.mdpi.com/2075-4450/4/3/404 |
| article html file updated | 15 July 2022 22:26 CEST | Update | - |
| article html file updated | 6 February 2020 03:27 CET | Update | - |
| article html file updated | 8 May 2019 02:24 CEST | Update | - |
| article html file updated | 21 March 2019 02:01 CET | Update | - |
| article html file updated | 17 June 2015 11:47 CEST | Update | - |
| article html file updated | 27 January 2015 07:08 CET | Original file | - |
| article xml file uploaded | 27 January 2015 07:08 CET | Original file | https://www.mdpi.com/2075-4450/4/3/404/xml |
| article pdf uploaded. | 26 July 2013 11:04 CEST | Version of Record | https://www.mdpi.com/2075-4450/4/3/404/pdf |
