| article html file updated | 6 February 2020 14:36 CET | Update | https://www.mdpi.com/1420-3049/19/12/21473 |
| article html file updated | 7 May 2019 03:41 CEST | Update | - |
| article html file updated | 25 March 2019 19:31 CET | Update | - |
| article html file updated | 14 September 2018 09:55 CEST | Update | - |
| article html file updated | 21 August 2015 04:28 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/1420-3049/19/12/21473/xml |
| article pdf uploaded. | 22 December 2014 10:02 CET | Updated version of record | https://www.mdpi.com/1420-3049/19/12/21473/pdf |
| article pdf uploaded. | 19 December 2014 13:49 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/21473/pdf-vor |
