| article html file updated | 7 February 2020 07:09 CET | Update | https://www.mdpi.com/1422-0067/17/4/545 |
| article html file updated | 5 May 2019 18:51 CEST | Update | - |
| article html file updated | 27 March 2019 01:41 CET | Update | - |
| article html file updated | 28 April 2016 05:12 CEST | Update | - |
| article html file updated | 12 April 2016 12:10 CEST | Original file | - |
| article xml uploaded. | 12 April 2016 12:09 CEST | Original file | https://www.mdpi.com/1422-0067/17/4/545/xml |
| article pdf uploaded. | 12 April 2016 12:09 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/4/545/pdf |
