| article html file updated | 7 February 2020 14:42 CET | Update | https://www.mdpi.com/1422-0067/17/9/1514 |
| article html file updated | 5 May 2019 04:37 CEST | Update | N/A |
| article html file updated | 27 September 2016 06:16 CEST | Update | N/A |
| article html file updated | 9 September 2016 03:55 CEST | Original file | N/A |
| article xml uploaded. | 9 September 2016 03:54 CEST | Update | https://www.mdpi.com/1422-0067/17/9/1514/xml |
| article xml uploaded. | 9 September 2016 03:54 CEST | Original file | N/A |
| article pdf uploaded. | 9 September 2016 03:54 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1514/pdf |
