| article html file updated | 8 February 2020 05:19 CET | Update | https://www.mdpi.com/2075-5309/7/2/38 |
| article html file updated | 24 September 2019 17:08 CEST | Update | - |
| article html file updated | 3 May 2019 23:02 CEST | Update | - |
| article html file updated | 28 June 2017 12:46 CEST | Update | - |
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| article html file updated | 9 May 2017 11:40 CEST | Update | - |
| article xml uploaded. | 9 May 2017 11:39 CEST | Update | https://www.mdpi.com/2075-5309/7/2/38/xml |
| article pdf uploaded. | 9 May 2017 11:39 CEST | Updated version of record | https://www.mdpi.com/2075-5309/7/2/38/pdf |
| article html file updated | 8 May 2017 15:35 CEST | Original file | - |
| article pdf uploaded. | 8 May 2017 15:33 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/2/38/pdf-vor |
