| article html file updated | 7 February 2020 08:03 CET | Update | https://www.mdpi.com/1422-0067/17/5/657 |
| article html file updated | 5 May 2019 17:02 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:30 CET | Update | N/A |
| article html file updated | 26 May 2016 11:49 CEST | Update | N/A |
| article html file updated | 30 April 2016 09:30 CEST | Original file | N/A |
| article xml uploaded. | 30 April 2016 09:28 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/657/xml |
| article pdf uploaded. | 30 April 2016 09:28 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/657/pdf |
