| article html file updated | 7 February 2020 09:14 CET | Update | https://www.mdpi.com/1420-3049/21/6/637 |
| article html file updated | 21 September 2019 17:49 CEST | Update | - |
| article html file updated | 5 May 2019 14:46 CEST | Update | - |
| article html file updated | 27 March 2019 05:41 CET | Update | - |
| article html file updated | 12 November 2018 03:55 CET | Update | - |
| article html file updated | 29 June 2016 11:48 CEST | Update | - |
| article html file updated | 25 May 2016 09:38 CEST | Original file | - |
| article xml uploaded. | 25 May 2016 09:36 CEST | Update | https://www.mdpi.com/1420-3049/21/6/637/xml |
| article pdf uploaded. | 25 May 2016 09:36 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/637/pdf |
