| article html file updated | 7 February 2020 09:40 CET | Update | https://www.mdpi.com/1422-0067/17/6/826 |
| article html file updated | 5 May 2019 13:53 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:30 CET | Update | N/A |
| article html file updated | 29 June 2016 03:26 CEST | Update | N/A |
| article html file updated | 2 June 2016 14:53 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2016 14:52 CEST | Update | https://www.mdpi.com/1422-0067/17/6/826/xml |
| article pdf uploaded. | 2 June 2016 14:52 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/826/pdf |
