| article html file updated | 7 February 2020 07:33 CET | Update | https://www.mdpi.com/1422-0067/17/4/596 |
| article html file updated | 5 May 2019 18:03 CEST | Update | - |
| article html file updated | 27 March 2019 02:28 CET | Update | - |
| article html file updated | 28 April 2016 05:26 CEST | Update | - |
| article html file updated | 20 April 2016 14:28 CEST | Original file | - |
| article xml uploaded. | 20 April 2016 14:27 CEST | Original file | https://www.mdpi.com/1422-0067/17/4/596/xml |
| article pdf uploaded. | 20 April 2016 14:27 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/4/596/pdf |
