| article html file updated | 6 February 2020 08:37 CET | Update | https://www.mdpi.com/1420-3049/19/4/4681 |
| article html file updated | 20 September 2019 07:25 CEST | Update | - |
| article html file updated | 7 May 2019 15:51 CEST | Update | - |
| article html file updated | 21 March 2019 15:33 CET | Update | - |
| article html file updated | 12 September 2018 06:10 CEST | Update | - |
| article html file updated | 20 August 2015 03:21 CEST | Update | - |
| article html file updated | 23 May 2014 15:03 CEST | Original file | - |
| article xml file uploaded | 23 May 2014 15:03 CEST | Original file | https://www.mdpi.com/1420-3049/19/4/4681/xml |
| article pdf uploaded. | 23 April 2014 09:43 CEST | Updated version of record | https://www.mdpi.com/1420-3049/19/4/4681/pdf |
| article pdf uploaded. | 15 April 2014 13:51 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/4/4681/pdf-vor |
