| article html file updated | 7 February 2020 05:02 CET | Update | https://www.mdpi.com/1422-0067/17/3/233 |
| article html file updated | 5 May 2019 23:14 CEST | Update | - |
| article html file updated | 26 March 2019 21:44 CET | Update | - |
| article html file updated | 30 March 2016 11:59 CEST | Original file | - |
| article pdf uploaded. | 25 February 2016 11:49 CET | Version of Record | https://www.mdpi.com/1422-0067/17/3/233/pdf |
| article xml uploaded. | 25 February 2016 11:49 CET | Original file | https://www.mdpi.com/1422-0067/17/3/233/xml |
