| article html file updated | 9 February 2020 01:48 CET | Update | https://www.mdpi.com/2073-4352/8/1/16 |
| article html file updated | 29 September 2019 15:13 CEST | Update | - |
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| article pdf uploaded. | 23 January 2018 05:36 CET | Updated version of record | https://www.mdpi.com/2073-4352/8/1/16/pdf |
| article html file updated | 2 January 2018 20:58 CET | Original file | - |
| article xml uploaded. | 2 January 2018 14:11 CET | Original file | https://www.mdpi.com/2073-4352/8/1/16/xml |
