| article html file updated | 7 February 2020 10:14 CET | Update | https://www.mdpi.com/1422-0067/17/6/947 |
| article html file updated | 5 May 2019 12:49 CEST | Update | - |
| article html file updated | 27 March 2019 07:37 CET | Update | - |
| article html file updated | 29 June 2016 03:58 CEST | Update | - |
| article html file updated | 15 June 2016 12:11 CEST | Original file | - |
| article xml uploaded. | 15 June 2016 12:10 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/947/xml |
| article pdf uploaded. | 15 June 2016 12:10 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/947/pdf |
