| article html file updated | 6 February 2020 07:30 CET | Update | https://www.mdpi.com/1420-3049/19/3/2707 |
| article html file updated | 7 May 2019 18:10 CEST | Update | - |
| article html file updated | 21 March 2019 12:55 CET | Update | - |
| article html file updated | 12 September 2018 05:27 CEST | Update | - |
| article html file updated | 19 August 2015 21:33 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/1420-3049/19/3/2707/xml |
| article pdf uploaded. | 19 March 2014 13:15 CET | Updated version of record | https://www.mdpi.com/1420-3049/19/3/2707/pdf |
| article pdf uploaded. | 25 February 2014 11:21 CET | Version of Record | https://www.mdpi.com/1420-3049/19/3/2707/pdf-vor |
