| article html file updated | 7 February 2020 07:57 CET | Update | https://www.mdpi.com/1422-0067/17/5/637 |
| article html file updated | 5 May 2019 17:15 CEST | Update | - |
| article html file updated | 27 March 2019 03:18 CET | Update | - |
| article html file updated | 26 May 2016 11:43 CEST | Update | - |
| article html file updated | 28 April 2016 22:53 CEST | Original file | - |
| article xml uploaded. | 28 April 2016 15:07 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/637/xml |
| article pdf uploaded. | 28 April 2016 15:07 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/637/pdf |
