| article html file updated | 7 February 2020 01:45 CET | Update | https://www.mdpi.com/2072-6643/7/12/5523 |
| article html file updated | 6 May 2019 05:57 CEST | Update | N/A |
| article html file updated | 26 March 2019 15:43 CET | Original file | N/A |
| article pdf uploaded. | 4 December 2015 09:04 CET | Version of Record | https://www.mdpi.com/2072-6643/7/12/5523/pdf |
| article xml uploaded. | 4 December 2015 09:04 CET | Original file | https://www.mdpi.com/2072-6643/7/12/5523/xml |
