| article html file updated | 8 February 2020 02:35 CET | Update | https://www.mdpi.com/1422-8599/2017/2/M937 |
| article html file updated | 24 September 2019 02:10 CEST | Update | - |
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| article html file updated | 27 October 2017 08:22 CEST | Update | - |
| article html file updated | 26 September 2017 06:12 CEST | Update | - |
| article xml uploaded. | 26 September 2017 06:10 CEST | Update | https://www.mdpi.com/1422-8599/2017/2/M937/xml |
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| article html file updated | 26 September 2017 05:06 CEST | Update | - |
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| article html file updated | 1 April 2017 08:36 CEST | Original file | - |
| article pdf uploaded. | 1 April 2017 08:35 CEST | Updated version of record | https://www.mdpi.com/1422-8599/2017/2/M937/pdf |
| article pdf uploaded. | 30 March 2017 14:29 CEST | Version of Record | https://www.mdpi.com/1422-8599/2017/2/M937/pdf-vor |