| article html file updated | 7 February 2020 13:34 CET | Update | https://www.mdpi.com/2411-5134/1/3/15 |
| article html file updated | 5 May 2019 06:42 CEST | Update | - |
| article html file updated | 27 March 2019 14:05 CET | Update | - |
| article html file updated | 19 August 2016 11:29 CEST | Original file | - |
| article xml uploaded. | 19 August 2016 11:27 CEST | Update | https://www.mdpi.com/2411-5134/1/3/15/xml |
| article xml uploaded. | 19 August 2016 11:27 CEST | Original file | - |
| article pdf uploaded. | 19 August 2016 11:27 CEST | Version of Record | https://www.mdpi.com/2411-5134/1/3/15/pdf |
