| article html file updated | 9 February 2020 01:47 CET | Update | https://www.mdpi.com/2073-4441/10/1/28 |
| article html file updated | 29 September 2019 15:06 CEST | Update | N/A |
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| article pdf uploaded. | 23 January 2018 08:51 CET | Updated version of record | https://www.mdpi.com/2073-4441/10/1/28/pdf |
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| article xml uploaded. | 2 January 2018 13:01 CET | Update | https://www.mdpi.com/2073-4441/10/1/28/xml |