| article html file updated | 8 February 2020 05:41 CET | Update | https://www.mdpi.com/2076-3263/7/2/36 |
| article html file updated | 24 September 2019 18:58 CEST | Update | - |
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| article html file updated | 25 July 2017 10:28 CEST | Update | - |
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| article pdf uploaded. | 15 May 2017 11:07 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/2/36/pdf |
| article html file updated | 12 May 2017 16:31 CEST | Original file | - |
| article xml uploaded. | 12 May 2017 16:30 CEST | Update | https://www.mdpi.com/2076-3263/7/2/36/xml |
