| article html file updated | 7 February 2020 10:45 CET | Update | https://www.mdpi.com/1422-0067/17/7/998 |
| article html file updated | 5 May 2019 11:51 CEST | Update | - |
| article html file updated | 27 March 2019 08:32 CET | Update | - |
| article html file updated | 28 July 2016 07:24 CEST | Update | - |
| article html file updated | 24 June 2016 13:56 CEST | Original file | - |
| article xml uploaded. | 24 June 2016 13:55 CEST | Original file | https://www.mdpi.com/1422-0067/17/7/998/xml |
| article pdf uploaded. | 24 June 2016 13:55 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/7/998/pdf |
