| article html file updated | 6 February 2020 14:28 CET | Update | https://www.mdpi.com/1420-3049/19/12/20941 |
| article html file updated | 20 September 2019 16:01 CEST | Update | - |
| article html file updated | 7 May 2019 03:56 CEST | Update | - |
| article html file updated | 25 March 2019 19:17 CET | Update | - |
| article html file updated | 14 September 2018 09:47 CEST | Update | - |
| article html file updated | 21 August 2015 04:11 CEST | Update | - |
| article html file updated | 4 January 2015 11:51 CET | Original file | - |
| article xml file uploaded | 4 January 2015 11:51 CET | Original file | https://www.mdpi.com/1420-3049/19/12/20941/xml |
| article pdf uploaded. | 16 December 2014 08:32 CET | Updated version of record | https://www.mdpi.com/1420-3049/19/12/20941/pdf |
| article pdf uploaded. | 15 December 2014 12:42 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/20941/pdf-vor |
