| article html file updated | 14 August 2026 13:36 CEST | Update | https://www.mdpi.com/1660-3397/15/4/104 |
| article html file updated | 8 February 2020 02:42 CET | Update | N/A |
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| article pdf uploaded. | 6 April 2017 12:27 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/4/104/pdf |
| article html file updated | 6 April 2017 05:53 CEST | Update | N/A |
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| article html file updated | 31 March 2017 13:40 CEST | Original file | N/A |
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