| article html file updated | 9 February 2020 14:21 CET | Update | https://www.mdpi.com/2075-4442/6/2/37 |
| article html file updated | 2 October 2019 18:01 CEST | Update | - |
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| article html file updated | 27 June 2018 10:08 CEST | Update | - |
| article html file updated | 18 April 2018 12:51 CEST | Original file | - |
| article pdf uploaded. | 18 April 2018 12:50 CEST | Version of Record | https://www.mdpi.com/2075-4442/6/2/37/pdf |
| article xml uploaded. | 18 April 2018 12:50 CEST | Update | https://www.mdpi.com/2075-4442/6/2/37/xml |
| article xml file uploaded | 18 April 2018 12:50 CEST | Original file | - |