| article html file updated | 13 August 2026 16:11 CEST | Update | https://www.mdpi.com/2077-0472/5/1/103 |
| article html file updated | 6 February 2020 16:43 CET | Update | N/A |
| article html file updated | 6 May 2019 23:36 CEST | Update | N/A |
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| article html file updated | 21 August 2015 08:57 CEST | Original file | N/A |
| article pdf uploaded. | 17 March 2015 16:00 CET | Version of Record | https://www.mdpi.com/2077-0472/5/1/103/pdf |
