| article html file updated | 7 February 2020 01:34 CET | Update | https://www.mdpi.com/2072-6651/7/12/4871 |
| article html file updated | 6 May 2019 06:20 CEST | Update | N/A |
| article html file updated | 26 March 2019 15:24 CET | Original file | N/A |
| article xml uploaded. | 1 December 2015 17:15 CET | Original file | https://www.mdpi.com/2072-6651/7/12/4871/xml |
| article pdf uploaded. | 1 December 2015 16:27 CET | Version of Record | https://www.mdpi.com/2072-6651/7/12/4871/pdf |
