| article html file updated | 7 February 2020 17:24 CET | Update | https://www.mdpi.com/2075-163X/6/4/118 |
| article html file updated | 22 September 2019 04:33 CEST | Update | - |
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| article html file updated | 30 December 2016 06:11 CET | Update | - |
| article html file updated | 8 November 2016 07:14 CET | Update | - |
| article xml uploaded. | 8 November 2016 07:12 CET | Update | https://www.mdpi.com/2075-163X/6/4/118/xml |
| article xml uploaded. | 8 November 2016 07:12 CET | Update | - |
| article pdf uploaded. | 8 November 2016 07:12 CET | Updated version of record | https://www.mdpi.com/2075-163X/6/4/118/pdf |
| article html file updated | 2 November 2016 11:26 CET | Original file | - |
| article xml uploaded. | 2 November 2016 11:25 CET | Update | - |
| article xml uploaded. | 2 November 2016 11:25 CET | Original file | - |
| article pdf uploaded. | 2 November 2016 11:25 CET | Version of Record | https://www.mdpi.com/2075-163X/6/4/118/pdf-vor |