| article html file updated | 7 February 2020 12:32 CET | Update | https://www.mdpi.com/2075-4698/6/3/22 |
| article html file updated | 5 May 2019 08:37 CEST | Update | - |
| article html file updated | 27 March 2019 11:50 CET | Update | - |
| article html file updated | 29 September 2016 12:03 CEST | Update | - |
| article html file updated | 29 July 2016 12:56 CEST | Original file | - |
| article xml uploaded. | 29 July 2016 12:17 CEST | Original file | https://www.mdpi.com/2075-4698/6/3/22/xml |
| article pdf uploaded. | 29 July 2016 12:17 CEST | Version of Record | https://www.mdpi.com/2075-4698/6/3/22/pdf |
