| article html file updated | 8 February 2020 03:31 CET | Update | https://www.mdpi.com/2077-1444/8/4/66 |
| article html file updated | 24 September 2019 07:16 CEST | Update | - |
| article html file updated | 4 May 2019 02:22 CEST | Update | - |
| article html file updated | 28 April 2017 07:14 CEST | Update | - |
| article html file updated | 14 April 2017 08:54 CEST | Update | - |
| article xml uploaded. | 14 April 2017 08:53 CEST | Update | https://www.mdpi.com/2077-1444/8/4/66/xml |
| article pdf uploaded. | 14 April 2017 08:53 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/4/66/pdf |
| article html file updated | 13 April 2017 11:55 CEST | Update | - |
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| article html file updated | 13 April 2017 11:55 CEST | Original file | - |
| article pdf uploaded. | 13 April 2017 11:53 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/4/66/pdf-vor |
