| article html file updated | 8 February 2020 06:10 CET | Update | https://www.mdpi.com/2073-4441/9/5/355 |
| article html file updated | 24 September 2019 21:30 CEST | Update | N/A |
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| article html file updated | 1 June 2017 04:52 CEST | Update | N/A |
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| article html file updated | 18 May 2017 14:07 CEST | Original file | N/A |
| article xml uploaded. | 18 May 2017 14:06 CEST | Original file | https://www.mdpi.com/2073-4441/9/5/355/xml |
| article pdf uploaded. | 18 May 2017 14:06 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/355/pdf |
