| article html file updated | 8 February 2020 05:50 CET | Update | https://www.mdpi.com/2073-4352/7/5/137 |
| article html file updated | 24 September 2019 19:46 CEST | Update | - |
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| article html file updated | 31 May 2017 06:39 CEST | Update | - |
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| article html file updated | 14 May 2017 05:35 CEST | Original file | - |
| article xml uploaded. | 14 May 2017 05:33 CEST | Update | https://www.mdpi.com/2073-4352/7/5/137/xml |
| article pdf uploaded. | 14 May 2017 05:33 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/5/137/pdf |
