| article html file updated | 6 February 2020 09:46 CET | Update | https://www.mdpi.com/1420-3049/19/6/7516 |
| article html file updated | 20 September 2019 09:00 CEST | Update | - |
| article html file updated | 7 May 2019 13:31 CEST | Update | - |
| article html file updated | 21 March 2019 18:19 CET | Update | - |
| article html file updated | 12 September 2018 07:58 CEST | Update | - |
| article html file updated | 20 August 2015 09:12 CEST | Update | - |
| article html file updated | 1 July 2014 05:24 CEST | Original file | - |
| article xml file uploaded | 1 July 2014 05:24 CEST | Original file | https://www.mdpi.com/1420-3049/19/6/7516/xml |
| article pdf uploaded. | 6 June 2014 11:28 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/6/7516/pdf |
