| article html file updated | 29 August 2025 20:41 CEST | Update | https://www.mdpi.com/2075-4450/4/3/320 |
| article html file updated | 15 July 2022 22:22 CEST | Update | N/A |
| article html file updated | 6 February 2020 02:55 CET | Update | N/A |
| article html file updated | 8 May 2019 03:25 CEST | Update | N/A |
| article html file updated | 21 March 2019 00:33 CET | Update | N/A |
| article html file updated | 17 June 2015 10:47 CEST | Update | N/A |
| article html file updated | 27 January 2015 07:07 CET | Original file | N/A |
| article xml file uploaded | 27 January 2015 07:07 CET | Original file | https://www.mdpi.com/2075-4450/4/3/320/xml |
| article pdf uploaded. | 2 July 2013 10:26 CEST | Version of Record | https://www.mdpi.com/2075-4450/4/3/320/pdf |
