| article html file updated | 7 February 2020 08:18 CET | Update | https://www.mdpi.com/2073-4468/5/2/12 |
| article html file updated | 5 May 2019 16:33 CEST | Update | - |
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| article html file updated | 30 June 2016 12:20 CEST | Update | - |
| article html file updated | 6 May 2016 12:07 CEST | Original file | - |
| article xml uploaded. | 6 May 2016 12:06 CEST | Original file | https://www.mdpi.com/2073-4468/5/2/12/xml |
| article pdf uploaded. | 6 May 2016 12:06 CEST | Version of Record | https://www.mdpi.com/2073-4468/5/2/12/pdf |
