| article html file updated | 7 February 2020 06:15 CET | Update | https://www.mdpi.com/1422-0067/17/3/423 |
| article html file updated | 5 May 2019 20:45 CEST | Update | - |
| article html file updated | 27 March 2019 00:03 CET | Update | - |
| article html file updated | 30 March 2016 12:04 CEST | Original file | - |
| article xml uploaded. | 22 March 2016 11:11 CET | Original file | https://www.mdpi.com/1422-0067/17/3/423/xml |
| article pdf uploaded. | 22 March 2016 11:11 CET | Version of Record | https://www.mdpi.com/1422-0067/17/3/423/pdf |
