| article html file updated | 7 February 2020 06:00 CET | Update | https://www.mdpi.com/1422-0067/17/3/394 |
| article html file updated | 5 May 2019 21:15 CEST | Update | - |
| article html file updated | 26 March 2019 23:38 CET | Update | - |
| article html file updated | 30 March 2016 12:03 CEST | Original file | - |
| article xml uploaded. | 16 March 2016 11:54 CET | Original file | https://www.mdpi.com/1422-0067/17/3/394/xml |
| article pdf uploaded. | 16 March 2016 11:54 CET | Version of Record | https://www.mdpi.com/1422-0067/17/3/394/pdf |
