| article html file updated | 9 February 2020 00:25 CET | Update | https://www.mdpi.com/2073-4395/7/4/85 |
| article html file updated | 29 September 2019 07:13 CEST | Update | - |
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| article html file updated | 20 December 2017 11:50 CET | Update | - |
| article xml uploaded. | 20 December 2017 11:48 CET | Update | https://www.mdpi.com/2073-4395/7/4/85/xml |
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| article pdf uploaded. | 20 December 2017 11:48 CET | Updated version of record | https://www.mdpi.com/2073-4395/7/4/85/pdf |
| article html file updated | 18 December 2017 13:42 CET | Original file | - |
| article xml uploaded. | 18 December 2017 13:40 CET | Original file | - |
| article pdf uploaded. | 18 December 2017 13:40 CET | Version of Record | https://www.mdpi.com/2073-4395/7/4/85/pdf-vor |