| article html file updated | 7 February 2020 13:52 CET | Update | https://www.mdpi.com/2075-1729/6/3/36 |
| article html file updated | 5 May 2019 06:07 CEST | Update | - |
| article html file updated | 27 March 2019 14:45 CET | Update | - |
| article html file updated | 29 September 2016 09:50 CEST | Update | - |
| article html file updated | 25 August 2016 09:57 CEST | Original file | - |
| article xml uploaded. | 25 August 2016 09:56 CEST | Update | https://www.mdpi.com/2075-1729/6/3/36/xml |
| article xml uploaded. | 25 August 2016 09:56 CEST | Original file | - |
| article pdf uploaded. | 25 August 2016 09:56 CEST | Version of Record | https://www.mdpi.com/2075-1729/6/3/36/pdf |
