| article html file updated | 9 February 2020 07:48 CET | Update | https://www.mdpi.com/1996-1073/11/3/498 |
| article html file updated | 1 October 2019 02:04 CEST | Update | - |
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| article xml uploaded. | 27 February 2018 05:44 CET | Update | https://www.mdpi.com/1996-1073/11/3/498/xml |
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| article pdf uploaded. | 27 February 2018 05:44 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/498/pdf |