| article html file updated | 6 February 2020 03:49 CET | Update | https://www.mdpi.com/1420-3049/18/8/9755 |
| article html file updated | 8 May 2019 01:40 CEST | Update | - |
| article html file updated | 21 March 2019 03:04 CET | Update | - |
| article html file updated | 14 September 2018 08:53 CEST | Original file | - |
| article pdf uploaded. | 16 August 2013 18:32 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/8/9755/pdf |
| article pdf uploaded. | 15 August 2013 13:34 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/9755/pdf-vor |
