| article html file updated | 7 February 2020 09:51 CET | Update | https://www.mdpi.com/1422-0067/17/6/823 |
| article html file updated | 5 May 2019 13:32 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:54 CET | Update | N/A |
| article html file updated | 29 June 2016 03:24 CEST | Update | N/A |
| article html file updated | 7 June 2016 11:15 CEST | Original file | N/A |
| article xml uploaded. | 7 June 2016 11:13 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/823/xml |
| article pdf uploaded. | 7 June 2016 11:13 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/823/pdf |
