| article html file updated | 7 February 2020 08:54 CET | Update | https://www.mdpi.com/1422-0067/17/5/680 |
| article html file updated | 5 May 2019 15:26 CEST | Update | - |
| article html file updated | 27 March 2019 05:03 CET | Update | - |
| article html file updated | 26 May 2016 11:57 CEST | Update | - |
| article html file updated | 18 May 2016 14:03 CEST | Original file | - |
| article xml uploaded. | 18 May 2016 14:01 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/680/xml |
| article pdf uploaded. | 18 May 2016 14:01 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/680/pdf |
