| article html file updated | 8 February 2020 08:38 CET | Update | https://www.mdpi.com/2075-4450/8/2/62 |
| article html file updated | 25 September 2019 10:17 CEST | Update | - |
| article html file updated | 3 May 2019 16:48 CEST | Update | - |
| article html file updated | 30 June 2017 05:41 CEST | Update | - |
| article html file updated | 18 June 2017 22:33 CEST | Original file | - |
| article xml uploaded. | 18 June 2017 12:17 CEST | Original file | https://www.mdpi.com/2075-4450/8/2/62/xml |
| article pdf uploaded. | 18 June 2017 12:17 CEST | Version of Record | https://www.mdpi.com/2075-4450/8/2/62/pdf |
