| article html file updated | 7 February 2020 09:33 CET | Update | https://www.mdpi.com/1422-0067/17/6/841 |
| article html file updated | 5 May 2019 14:06 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:17 CET | Update | N/A |
| article html file updated | 29 June 2016 03:32 CEST | Update | N/A |
| article html file updated | 31 May 2016 13:26 CEST | Original file | N/A |
| article xml uploaded. | 31 May 2016 13:24 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/841/xml |
| article pdf uploaded. | 31 May 2016 13:24 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/841/pdf |
