| article html file updated | 7 February 2020 13:50 CET | Update | https://www.mdpi.com/1422-0067/17/9/1397 |
| article html file updated | 5 May 2019 06:10 CEST | Update | - |
| article html file updated | 27 March 2019 14:41 CET | Update | - |
| article html file updated | 27 September 2016 06:00 CEST | Update | - |
| article html file updated | 24 August 2016 13:20 CEST | Original file | - |
| article xml uploaded. | 24 August 2016 13:18 CEST | Update | https://www.mdpi.com/1422-0067/17/9/1397/xml |
| article xml uploaded. | 24 August 2016 13:18 CEST | Original file | - |
| article pdf uploaded. | 24 August 2016 13:18 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1397/pdf |
