| article html file updated | 6 February 2020 03:44 CET | Update | https://www.mdpi.com/1420-3049/18/8/9641 |
| article html file updated | 8 May 2019 01:51 CEST | Update | - |
| article html file updated | 21 March 2019 02:47 CET | Update | - |
| article html file updated | 14 September 2018 08:51 CEST | Update | - |
| article html file updated | 20 December 2016 04:25 CET | Original file | - |
| article pdf uploaded. | 13 August 2013 09:08 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/8/9641/pdf |
| article pdf uploaded. | 12 August 2013 13:35 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/9641/pdf-vor |
