| article html file updated | 7 February 2020 08:18 CET | Update | https://www.mdpi.com/1422-0067/17/5/688 |
| article html file updated | 5 May 2019 16:33 CEST | Update | - |
| article html file updated | 27 March 2019 03:59 CET | Update | - |
| article html file updated | 26 May 2016 12:00 CEST | Update | - |
| article html file updated | 6 May 2016 13:06 CEST | Original file | - |
| article xml uploaded. | 6 May 2016 13:05 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/688/xml |
| article pdf uploaded. | 6 May 2016 13:05 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/688/pdf |
