| article html file updated | 7 February 2020 14:32 CET | Update | https://www.mdpi.com/1422-0067/17/9/1490 |
| article html file updated | 5 May 2019 04:55 CEST | Update | N/A |
| article html file updated | 27 September 2016 06:13 CEST | Update | N/A |
| article html file updated | 6 September 2016 12:16 CEST | Original file | N/A |
| article xml uploaded. | 6 September 2016 12:15 CEST | Original file | https://www.mdpi.com/1422-0067/17/9/1490/xml |
| article pdf uploaded. | 6 September 2016 12:15 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1490/pdf |
