| article html file updated | 6 February 2020 06:37 CET | Update | https://www.mdpi.com/1420-3049/19/1/686 |
| article html file updated | 20 September 2019 05:03 CEST | Update | - |
| article html file updated | 7 May 2019 20:03 CEST | Update | - |
| article html file updated | 21 March 2019 10:42 CET | Update | - |
| article html file updated | 12 September 2018 05:11 CEST | Update | - |
| article html file updated | 19 August 2015 16:43 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/1420-3049/19/1/686/xml |
| article pdf uploaded. | 7 January 2014 12:00 CET | Version of Record | https://www.mdpi.com/1420-3049/19/1/686/pdf |
