| article html file updated | 7 February 2020 17:31 CET | Update | https://www.mdpi.com/2075-4450/7/4/62 |
| article html file updated | 22 September 2019 04:44 CEST | Update | - |
| article html file updated | 4 May 2019 23:28 CEST | Update | - |
| article html file updated | 29 December 2016 04:32 CET | Update | - |
| article html file updated | 4 November 2016 10:32 CET | Original file | - |
| article xml uploaded. | 4 November 2016 10:31 CET | Original file | https://www.mdpi.com/2075-4450/7/4/62/xml |
| article pdf uploaded. | 4 November 2016 10:31 CET | Version of Record | https://www.mdpi.com/2075-4450/7/4/62/pdf |
