| article html file updated | 7 February 2020 08:06 CET | Update | https://www.mdpi.com/2075-4450/7/2/19 |
| article html file updated | 5 May 2019 16:57 CEST | Update | - |
| article html file updated | 27 March 2019 03:34 CET | Update | - |
| article html file updated | 4 July 2016 10:35 CEST | Update | - |
| article html file updated | 3 May 2016 08:08 CEST | Original file | - |
| article xml uploaded. | 3 May 2016 08:06 CEST | Original file | https://www.mdpi.com/2075-4450/7/2/19/xml |
| article pdf uploaded. | 3 May 2016 08:06 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/2/19/pdf |
