| article html file updated | 7 February 2020 20:28 CET | Update | https://www.mdpi.com/2073-4441/9/1/11 |
| article html file updated | 22 September 2019 16:10 CEST | Update | - |
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| article html file updated | 7 February 2017 04:23 CET | Update | - |
| article html file updated | 29 December 2016 09:19 CET | Original file | - |
| article xml uploaded. | 29 December 2016 09:18 CET | Update | https://www.mdpi.com/2073-4441/9/1/11/xml |
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| article pdf uploaded. | 29 December 2016 09:18 CET | Version of Record | https://www.mdpi.com/2073-4441/9/1/11/pdf |
