| article html file updated | 6 February 2020 01:59 CET | Update | https://www.mdpi.com/1420-3049/18/5/5455 |
| article html file updated | 19 September 2019 20:33 CEST | Update | - |
| article html file updated | 8 May 2019 05:23 CEST | Update | - |
| article html file updated | 20 March 2019 22:17 CET | Update | - |
| article html file updated | 17 September 2018 10:33 CEST | Original file | - |
| article pdf uploaded. | 14 May 2013 14:32 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/5/5455/pdf |
| article pdf uploaded. | 10 May 2013 13:52 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/5/5455/pdf-vor |
