| article html file updated | 6 February 2020 00:32 CET | Update | https://www.mdpi.com/1420-3049/18/2/2222 |
| article html file updated | 19 September 2019 17:54 CEST | Update | - |
| article html file updated | 8 May 2019 08:29 CEST | Update | - |
| article html file updated | 20 March 2019 18:34 CET | Update | - |
| article html file updated | 12 November 2018 03:34 CET | Original file | - |
| article pdf uploaded. | 18 February 2013 12:23 CET | Updated version of record | https://www.mdpi.com/1420-3049/18/2/2222/pdf |
| article pdf uploaded. | 11 February 2013 09:23 CET | Version of Record | https://www.mdpi.com/1420-3049/18/2/2222/pdf-vor |
