| article html file updated | 9 February 2020 14:58 CET | Update | https://www.mdpi.com/2297-8739/5/2/25 |
| article html file updated | 2 October 2019 21:33 CEST | Update | - |
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| article xml uploaded. | 1 May 2018 02:50 CEST | Update | https://www.mdpi.com/2297-8739/5/2/25/xml |
| article pdf uploaded. | 1 May 2018 02:50 CEST | Updated version of record | https://www.mdpi.com/2297-8739/5/2/25/pdf |
| article html file updated | 23 April 2018 15:05 CEST | Original file | - |
| article pdf uploaded. | 23 April 2018 15:04 CEST | Version of Record | https://www.mdpi.com/2297-8739/5/2/25/pdf-vor |
