| article html file updated | 7 February 2020 14:57 CET | Update | https://www.mdpi.com/1422-0067/17/9/1541 |
| article html file updated | 5 May 2019 04:10 CEST | Update | N/A |
| article html file updated | 27 September 2016 06:20 CEST | Update | N/A |
| article html file updated | 13 September 2016 13:02 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2016 13:00 CEST | Update | https://www.mdpi.com/1422-0067/17/9/1541/xml |
| article xml uploaded. | 13 September 2016 13:00 CEST | Original file | N/A |
| article pdf uploaded. | 13 September 2016 13:00 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1541/pdf |
