| article html file updated | 7 February 2020 08:20 CET | Update | https://www.mdpi.com/1422-0067/17/5/689 |
| article html file updated | 5 May 2019 16:29 CEST | Update | - |
| article html file updated | 27 March 2019 04:03 CET | Update | - |
| article html file updated | 26 May 2016 12:01 CEST | Update | - |
| article html file updated | 7 May 2016 10:38 CEST | Original file | - |
| article xml uploaded. | 7 May 2016 10:37 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/689/xml |
| article pdf uploaded. | 7 May 2016 10:37 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/689/pdf |
