| article html file updated | 6 February 2020 10:09 CET | Update | https://www.mdpi.com/1420-3049/19/6/8472 |
| article html file updated | 7 May 2019 12:44 CEST | Update | - |
| article html file updated | 21 March 2019 19:23 CET | Update | - |
| article html file updated | 12 September 2018 08:17 CEST | Update | - |
| article html file updated | 20 August 2015 10:37 CEST | Update | - |
| article html file updated | 3 July 2014 08:58 CEST | Original file | - |
| article xml file uploaded | 3 July 2014 08:58 CEST | Original file | https://www.mdpi.com/1420-3049/19/6/8472/xml |
| article pdf uploaded. | 24 June 2014 12:03 CEST | Updated version of record | https://www.mdpi.com/1420-3049/19/6/8472/pdf |
| article pdf uploaded. | 23 June 2014 08:52 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/6/8472/pdf-vor |
