| article html file updated | 7 February 2020 07:07 CET | Update | https://www.mdpi.com/2411-5142/1/2/162 |
| article html file updated | 21 September 2019 14:56 CEST | Update | - |
| article html file updated | 5 May 2019 18:55 CEST | Update | - |
| article html file updated | 27 March 2019 01:37 CET | Update | - |
| article html file updated | 12 April 2016 09:08 CEST | Original file | - |
| article xml uploaded. | 12 April 2016 09:07 CEST | Original file | https://www.mdpi.com/2411-5142/1/2/162/xml |
| article pdf uploaded. | 12 April 2016 09:07 CEST | Version of Record | https://www.mdpi.com/2411-5142/1/2/162/pdf |
