| article html file updated | 7 February 2020 07:50 CET | Update | https://www.mdpi.com/1422-0067/17/5/620 |
| article html file updated | 5 May 2019 17:30 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:03 CET | Update | N/A |
| article html file updated | 26 May 2016 11:39 CEST | Update | N/A |
| article html file updated | 26 April 2016 13:46 CEST | Original file | N/A |
| article xml uploaded. | 26 April 2016 13:43 CEST | Update | https://www.mdpi.com/1422-0067/17/5/620/xml |
| article pdf uploaded. | 26 April 2016 13:43 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/620/pdf |
