| article html file updated | 7 February 2020 23:49 CET | Update | https://www.mdpi.com/2306-5710/3/1/15 |
| article html file updated | 23 September 2019 10:23 CEST | Update | - |
| article html file updated | 4 May 2019 10:23 CEST | Update | - |
| article html file updated | 20 February 2017 14:11 CET | Original file | - |
| article xml uploaded. | 20 February 2017 14:10 CET | Original file | https://www.mdpi.com/2306-5710/3/1/15/xml |
| article pdf uploaded. | 20 February 2017 14:10 CET | Version of Record | https://www.mdpi.com/2306-5710/3/1/15/pdf |
