| article html file updated | 9 February 2020 00:10 CET | Update | https://www.mdpi.com/1422-8599/2017/4/M970 |
| article html file updated | 29 September 2019 05:47 CEST | Update | - |
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| article html file updated | 2 January 2018 12:59 CET | Update | - |
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| article html file updated | 15 December 2017 09:02 CET | Original file | - |
| article xml uploaded. | 15 December 2017 09:01 CET | Original file | https://www.mdpi.com/1422-8599/2017/4/M970/xml |
| article pdf uploaded. | 15 December 2017 09:01 CET | Version of Record | https://www.mdpi.com/1422-8599/2017/4/M970/pdf |
