| article html file updated | 8 February 2020 04:52 CET | Update | https://www.mdpi.com/2308-3425/4/2/5 |
| article html file updated | 24 September 2019 14:53 CEST | Update | - |
| article html file updated | 3 May 2019 23:50 CEST | Update | - |
| article html file updated | 23 May 2017 03:31 CEST | Update | - |
| article html file updated | 2 May 2017 13:07 CEST | Update | - |
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| article html file updated | 2 May 2017 13:07 CEST | Original file | - |
| article xml uploaded. | 2 May 2017 13:06 CEST | Update | https://www.mdpi.com/2308-3425/4/2/5/xml |
| article pdf uploaded. | 2 May 2017 13:06 CEST | Version of Record | https://www.mdpi.com/2308-3425/4/2/5/pdf |
