| article html file updated | 9 February 2020 06:22 CET | Update | https://www.mdpi.com/2306-5710/4/1/15 |
| article html file updated | 30 September 2019 17:48 CEST | Update | - |
| article html file updated | 1 May 2019 19:00 CEST | Update | - |
| article html file updated | 17 April 2019 18:15 CEST | Update | - |
| article html file updated | 28 March 2019 22:46 CET | Update | - |
| article html file updated | 12 February 2018 03:56 CET | Original file | - |
| article xml uploaded. | 12 February 2018 03:54 CET | Original file | https://www.mdpi.com/2306-5710/4/1/15/xml |
| article pdf uploaded. | 12 February 2018 03:54 CET | Version of Record | https://www.mdpi.com/2306-5710/4/1/15/pdf |
