| article html file updated | 7 February 2020 14:02 CET | Update | https://www.mdpi.com/2073-4395/6/3/41 |
| article html file updated | 21 September 2019 23:49 CEST | Update | - |
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| article xml uploaded. | 30 August 2016 02:41 CEST | Update | https://www.mdpi.com/2073-4395/6/3/41/xml |
| article pdf uploaded. | 30 August 2016 02:40 CEST | Updated version of record | https://www.mdpi.com/2073-4395/6/3/41/pdf |
| article html file updated | 29 August 2016 08:58 CEST | Original file | - |
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| article pdf uploaded. | 29 August 2016 08:57 CEST | Version of Record | https://www.mdpi.com/2073-4395/6/3/41/pdf-vor |