| article html file updated | 6 February 2020 02:04 CET | Update | https://www.mdpi.com/1420-3049/18/5/5648 |
| article html file updated | 19 September 2019 20:41 CEST | Update | N/A |
| article html file updated | 8 May 2019 05:13 CEST | Update | N/A |
| article html file updated | 20 March 2019 22:28 CET | Update | N/A |
| article html file updated | 17 September 2018 10:48 CEST | Update | N/A |
| article html file updated | 15 June 2016 11:26 CEST | Original file | N/A |
| article pdf uploaded. | 16 May 2013 15:15 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/5/5648/pdf |
| article pdf uploaded. | 15 May 2013 10:00 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/5/5648/pdf-vor |
