| article html file updated | 9 February 2020 07:07 CET | Update | https://www.mdpi.com/2073-4344/8/2/85 |
| article html file updated | 30 September 2019 22:06 CEST | Update | - |
| article html file updated | 1 May 2019 17:25 CEST | Update | - |
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| article html file updated | 14 March 2018 08:37 CET | Update | - |
| article html file updated | 23 February 2018 13:30 CET | Original file | - |
| article xml uploaded. | 23 February 2018 13:29 CET | Original file | https://www.mdpi.com/2073-4344/8/2/85/xml |
| article pdf uploaded. | 23 February 2018 13:29 CET | Updated version of record | https://www.mdpi.com/2073-4344/8/2/85/pdf |
| article pdf uploaded. | 20 February 2018 14:35 CET | Version of Record | https://www.mdpi.com/2073-4344/8/2/85/pdf-vor |