| article html file updated | 7 February 2020 08:42 CET | Update | https://www.mdpi.com/1422-0067/17/5/722 |
| article html file updated | 5 May 2019 15:49 CEST | Update | - |
| article html file updated | 27 March 2019 04:41 CET | Update | - |
| article html file updated | 26 May 2016 12:09 CEST | Update | - |
| article html file updated | 16 May 2016 23:29 CEST | Original file | - |
| article xml uploaded. | 13 May 2016 14:02 CEST | Update | https://www.mdpi.com/1422-0067/17/5/722/xml |
| article pdf uploaded. | 13 May 2016 14:02 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/722/pdf |
