| article html file updated | 7 February 2020 09:10 CET | Update | https://www.mdpi.com/1422-0067/17/6/747 |
| article html file updated | 5 May 2019 14:55 CEST | Update | - |
| article html file updated | 27 March 2019 05:32 CET | Update | - |
| article html file updated | 29 June 2016 03:10 CEST | Update | - |
| article html file updated | 26 May 2016 05:25 CEST | Update | - |
| article xml uploaded. | 26 May 2016 05:24 CEST | Update | https://www.mdpi.com/1422-0067/17/6/747/xml |
| article pdf uploaded. | 26 May 2016 05:24 CEST | Updated version of record | https://www.mdpi.com/1422-0067/17/6/747/pdf |
| article html file updated | 24 May 2016 09:03 CEST | Original file | - |
