| article html file updated | 7 February 2020 13:44 CET | Update | https://www.mdpi.com/2075-4701/6/9/195 |
| article html file updated | 5 May 2019 06:21 CEST | Update | - |
| article html file updated | 27 March 2019 14:29 CET | Update | - |
| article html file updated | 27 September 2016 10:00 CEST | Update | - |
| article html file updated | 23 August 2016 15:04 CEST | Original file | - |
| article xml uploaded. | 23 August 2016 15:03 CEST | Original file | https://www.mdpi.com/2075-4701/6/9/195/xml |
| article pdf uploaded. | 23 August 2016 15:03 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/9/195/pdf |
