| article html file updated | 7 February 2020 14:56 CET | Update | https://www.mdpi.com/1422-0067/17/9/1535 |
| article html file updated | 5 May 2019 04:12 CEST | Update | N/A |
| article html file updated | 27 September 2016 06:19 CEST | Update | N/A |
| article pdf uploaded. | 14 September 2016 13:09 CEST | Updated version of record | https://www.mdpi.com/1422-0067/17/9/1535/pdf |
| article html file updated | 13 September 2016 13:12 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2016 13:11 CEST | Update | https://www.mdpi.com/1422-0067/17/9/1535/xml |
| article xml uploaded. | 13 September 2016 13:11 CEST | Original file | N/A |
| article pdf uploaded. | 13 September 2016 13:11 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1535/pdf-vor |
