| article html file updated | 9 February 2020 00:29 CET | Update | https://new.mdpi.com/2306-5710/3/4/63 |
| article html file updated | 2 May 2019 07:40 CEST | Update | - |
| article html file updated | 18 April 2019 05:31 CEST | Update | - |
| article html file updated | 19 December 2017 12:06 CET | Update | - |
| article xml uploaded. | 19 December 2017 12:05 CET | Update | https://new.mdpi.com/2306-5710/3/4/63/xml |
| article pdf uploaded. | 19 December 2017 12:05 CET | Updated version of record | https://new.mdpi.com/2306-5710/3/4/63/pdf |
| article html file updated | 19 December 2017 07:34 CET | Original file | - |
| article xml uploaded. | 19 December 2017 07:32 CET | Original file | - |
| article pdf uploaded. | 19 December 2017 07:32 CET | Version of Record | https://new.mdpi.com/2306-5710/3/4/63/pdf-vor |
