| article html file updated | 14 August 2026 14:41 CEST | Update | https://www.mdpi.com/2073-4360/9/6/187 |
| article html file updated | 8 February 2020 06:34 CET | Update | N/A |
| article html file updated | 24 September 2019 23:38 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:39 CEST | Update | N/A |
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| article xml uploaded. | 25 May 2017 11:51 CEST | Update | https://www.mdpi.com/2073-4360/9/6/187/xml |
| article pdf uploaded. | 25 May 2017 11:51 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/6/187/pdf |
| article pdf uploaded. | 24 May 2017 12:39 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/6/187/pdf-vor |
