| article html file updated | 9 February 2020 01:48 CET | Update | https://www.mdpi.com/2073-4441/10/1/31 |
| article html file updated | 29 September 2019 15:08 CEST | Update | - |
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| article html file updated | 1 February 2018 12:04 CET | Update | - |
| article pdf uploaded. | 23 January 2018 04:04 CET | Updated version of record | https://www.mdpi.com/2073-4441/10/1/31/pdf |
| article html file updated | 2 January 2018 20:54 CET | Original file | - |
| article xml uploaded. | 2 January 2018 13:27 CET | Update | https://www.mdpi.com/2073-4441/10/1/31/xml |
