| article html file updated | 8 February 2020 12:38 CET | Update | https://www.mdpi.com/2305-6320/4/3/57 |
| article html file updated | 26 September 2019 07:48 CEST | Update | - |
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| article xml uploaded. | 3 August 2017 10:16 CEST | Update | https://www.mdpi.com/2305-6320/4/3/57/xml |
| article pdf uploaded. | 3 August 2017 10:16 CEST | Updated version of record | https://www.mdpi.com/2305-6320/4/3/57/pdf |
| article html file updated | 3 August 2017 04:26 CEST | Original file | - |
| article pdf uploaded. | 3 August 2017 04:25 CEST | Updated version of record | https://www.mdpi.com/2305-6320/4/3/57/pdf-vor |
| article pdf uploaded. | 2 August 2017 14:10 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/3/57/pdf-vor |
