| article html file updated | 6 February 2020 02:51 CET | Update | https://www.mdpi.com/1420-3049/18/7/7436 |
| article html file updated | 8 May 2019 03:35 CEST | Update | N/A |
| article html file updated | 21 March 2019 00:22 CET | Update | N/A |
| article html file updated | 14 September 2018 05:18 CEST | Original file | N/A |
| article pdf uploaded. | 28 June 2013 14:52 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/7/7436/pdf |
| article pdf uploaded. | 26 June 2013 14:05 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/7/7436/pdf-vor |
