| article html file updated | 7 February 2020 13:45 CET | Update | https://www.mdpi.com/2304-8158/5/3/55 |
| article html file updated | 5 May 2019 06:20 CEST | Update | - |
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| article html file updated | 29 September 2016 11:55 CEST | Update | - |
| article html file updated | 23 August 2016 14:02 CEST | Original file | - |
| article xml uploaded. | 23 August 2016 14:01 CEST | Original file | https://www.mdpi.com/2304-8158/5/3/55/xml |
| article pdf uploaded. | 23 August 2016 14:01 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/3/55/pdf |
