| article html file updated | 14 August 2026 19:59 CEST | Update | https://www.mdpi.com/2075-4701/7/12/556 |
| article html file updated | 8 February 2020 23:40 CET | Update | N/A |
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| article pdf uploaded. | 11 December 2017 08:18 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/12/556/pdf |
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