| article html file updated | 9 February 2020 17:42 CET | Update | https://www.mdpi.com/2073-4352/8/5/215 |
| article html file updated | 3 October 2019 15:03 CEST | Update | - |
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| article pdf uploaded. | 15 May 2018 15:41 CEST | Updated version of record | https://www.mdpi.com/2073-4352/8/5/215/pdf |
| article html file updated | 15 May 2018 15:27 CEST | Original file | - |
| article xml uploaded. | 15 May 2018 15:26 CEST | Original file | https://www.mdpi.com/2073-4352/8/5/215/xml |
