| article html file updated | 14 August 2026 19:57 CEST | Update | https://www.mdpi.com/2073-4360/9/12/691 |
| article html file updated | 8 February 2020 23:33 CET | Update | N/A |
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| article xml uploaded. | 11 December 2017 04:48 CET | Update | https://www.mdpi.com/2073-4360/9/12/691/xml |
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| article pdf uploaded. | 11 December 2017 04:48 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/691/pdf |
| article pdf uploaded. | 8 December 2017 13:46 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/691/pdf-vor |
