| article html file updated | 8 February 2020 06:04 CET | Update | https://www.mdpi.com/2076-3387/7/2/12 |
| article html file updated | 3 May 2019 21:38 CEST | Update | N/A |
| article html file updated | 27 October 2017 09:18 CEST | Update | N/A |
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| article xml uploaded. | 19 May 2017 03:17 CEST | Update | https://www.mdpi.com/2076-3387/7/2/12/xml |
| article pdf uploaded. | 19 May 2017 03:17 CEST | Version of Record | https://www.mdpi.com/2076-3387/7/2/12/pdf |
| article html file updated | 17 May 2017 14:14 CEST | Update | N/A |
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