| article html file updated | 8 February 2020 12:21 CET | Update | https://www.mdpi.com/2079-4983/8/3/32 |
| article html file updated | 26 September 2019 06:11 CEST | Update | - |
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| article xml uploaded. | 30 July 2017 14:10 CEST | Update | https://www.mdpi.com/2079-4983/8/3/32/xml |
| article pdf uploaded. | 30 July 2017 14:10 CEST | Updated version of record | https://www.mdpi.com/2079-4983/8/3/32/pdf |