| article html file updated | 7 February 2020 23:16 CET | Update | https://www.mdpi.com/2306-5710/3/1/12 |
| article html file updated | 23 September 2019 07:14 CEST | Update | - |
| article html file updated | 4 May 2019 11:29 CEST | Update | - |
| article html file updated | 13 February 2017 13:51 CET | Original file | - |
| article xml uploaded. | 13 February 2017 13:50 CET | Original file | https://www.mdpi.com/2306-5710/3/1/12/xml |
| article pdf uploaded. | 13 February 2017 13:50 CET | Version of Record | https://www.mdpi.com/2306-5710/3/1/12/pdf |
