| article html file updated | 8 February 2020 06:01 CET | Update | https://www.mdpi.com/2071-1050/9/5/820 |
| article html file updated | 24 September 2019 20:46 CEST | Update | - |
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| article html file updated | 31 May 2017 10:50 CEST | Update | - |
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| article html file updated | 24 May 2017 10:20 CEST | Update | - |
| article xml uploaded. | 24 May 2017 10:18 CEST | Update | https://www.mdpi.com/2071-1050/9/5/820/xml |
| article pdf uploaded. | 24 May 2017 10:18 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/5/820/pdf |
| article html file updated | 22 May 2017 04:14 CEST | Update | - |
| article html file updated | 17 May 2017 04:54 CEST | Original file | - |
| article pdf uploaded. | 17 May 2017 04:53 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/820/pdf-vor |