| article html file updated | 6 February 2020 02:11 CET | Update | https://www.mdpi.com/1420-3049/18/5/6021 |
| article html file updated | 8 May 2019 05:00 CEST | Update | - |
| article html file updated | 20 March 2019 22:44 CET | Update | - |
| article html file updated | 17 September 2018 11:05 CEST | Original file | - |
| article supplementary file uploaded. | 23 May 2013 07:32 CEST | - | https://www.mdpi.com/1420-3049/18/5/6021#supplementary |
| article pdf uploaded. | 23 May 2013 07:32 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/5/6021/pdf |
| article pdf uploaded. | 21 May 2013 14:54 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/5/6021/pdf-vor |
