| article html file updated | 7 February 2020 08:15 CET | Update | https://www.mdpi.com/1422-0067/17/5/679 |
| article html file updated | 5 May 2019 16:40 CEST | Update | - |
| article html file updated | 27 March 2019 03:52 CET | Update | - |
| article html file updated | 26 May 2016 11:57 CEST | Update | - |
| article html file updated | 5 May 2016 12:57 CEST | Original file | - |
| article xml uploaded. | 5 May 2016 12:56 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/679/xml |
| article pdf uploaded. | 5 May 2016 12:55 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/679/pdf |
