| article html file updated | 8 February 2020 04:53 CET | Update | https://www.mdpi.com/2073-4441/9/5/320 |
| article html file updated | 24 September 2019 14:57 CEST | Update | - |
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| article html file updated | 1 June 2017 04:58 CEST | Update | - |
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| article html file updated | 2 May 2017 17:05 CEST | Original file | - |
| article xml uploaded. | 2 May 2017 17:04 CEST | Update | https://www.mdpi.com/2073-4441/9/5/320/xml |
| article pdf uploaded. | 2 May 2017 17:04 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/320/pdf |
