| article html file updated | 7 February 2020 03:47 CET | Update | https://www.mdpi.com/2072-6643/8/2/62 |
| article html file updated | 6 May 2019 01:53 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:10 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2016 12:38 CET | Version of Record | https://www.mdpi.com/2072-6643/8/2/62/pdf |
| article xml uploaded. | 22 January 2016 12:38 CET | Original file | https://www.mdpi.com/2072-6643/8/2/62/xml |
