| article html file updated | 7 February 2020 13:55 CET | Update | https://www.mdpi.com/2075-4434/4/3/13 |
| article html file updated | 5 May 2019 06:02 CEST | Update | - |
| article html file updated | 27 March 2019 14:51 CET | Update | - |
| article html file updated | 29 September 2016 09:50 CEST | Update | - |
| article html file updated | 26 August 2016 08:23 CEST | Original file | - |
| article xml uploaded. | 26 August 2016 08:22 CEST | Original file | https://www.mdpi.com/2075-4434/4/3/13/xml |
| article pdf uploaded. | 26 August 2016 08:22 CEST | Version of Record | https://www.mdpi.com/2075-4434/4/3/13/pdf |
