| article html file updated | 8 February 2020 05:51 CET | Update | https://www.mdpi.com/2073-4360/9/5/175 |
| article html file updated | 24 September 2019 19:52 CEST | Update | - |
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| article html file updated | 31 May 2017 10:21 CEST | Update | - |
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| article html file updated | 17 May 2017 03:56 CEST | Original file | - |
| article xml uploaded. | 17 May 2017 03:54 CEST | Update | https://www.mdpi.com/2073-4360/9/5/175/xml |
| article pdf uploaded. | 17 May 2017 03:54 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/5/175/pdf |
| article pdf uploaded. | 14 May 2017 11:24 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/5/175/pdf-vor |