| article html file updated | 12 August 2026 22:01 CEST | Update | https://www.mdpi.com/1660-3397/12/1/491 |
| article html file updated | 6 February 2020 06:50 CET | Update | N/A |
| article html file updated | 7 May 2019 19:35 CEST | Update | N/A |
| article html file updated | 21 March 2019 11:17 CET | Update | N/A |
| article html file updated | 19 August 2015 18:08 CEST | Update | N/A |
| article html file updated | 17 February 2014 12:23 CET | Original file | N/A |
| article xml file uploaded | 17 February 2014 12:23 CET | Original file | https://www.mdpi.com/1660-3397/12/1/491/xml |
| article supplementary file uploaded. | 21 January 2014 10:53 CET | - | https://www.mdpi.com/1660-3397/12/1/491#supplementary |
| article pdf uploaded. | 21 January 2014 10:53 CET | Version of Record | https://www.mdpi.com/1660-3397/12/1/491/pdf |
