| article html file updated | 7 February 2020 12:31 CET | Update | https://www.mdpi.com/2078-2489/7/3/48 |
| article html file updated | 5 May 2019 08:39 CEST | Update | - |
| article html file updated | 27 March 2019 11:48 CET | Update | - |
| article html file updated | 24 November 2016 22:49 CET | Update | - |
| article html file updated | 29 July 2016 07:49 CEST | Original file | - |
| article xml uploaded. | 29 July 2016 07:47 CEST | Original file | https://www.mdpi.com/2078-2489/7/3/48/xml |
| article pdf uploaded. | 29 July 2016 07:47 CEST | Version of Record | https://www.mdpi.com/2078-2489/7/3/48/pdf |
