| article html file updated | 8 February 2020 13:45 CET | Update | https://www.mdpi.com/2075-4434/5/3/40 |
| article html file updated | 3 May 2019 06:33 CEST | Update | - |
| article html file updated | 27 March 2019 21:15 CET | Update | - |
| article html file updated | 30 September 2017 14:03 CEST | Update | - |
| article html file updated | 17 August 2017 13:50 CEST | Original file | - |
| article xml uploaded. | 17 August 2017 13:49 CEST | Original file | https://www.mdpi.com/2075-4434/5/3/40/xml |
| article pdf uploaded. | 17 August 2017 13:49 CEST | Version of Record | https://www.mdpi.com/2075-4434/5/3/40/pdf |
