| article html file updated | 10 February 2020 11:40 CET | Update | https://www.mdpi.com/2227-7099/6/3/51 |
| article html file updated | 8 October 2019 01:08 CEST | Update | - |
| article html file updated | 29 April 2019 04:16 CEST | Update | - |
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| article html file updated | 26 September 2018 08:06 CEST | Update | - |
| article html file updated | 19 September 2018 06:18 CEST | Original file | - |
| article pdf uploaded. | 19 September 2018 06:17 CEST | Version of Record | https://www.mdpi.com/2227-7099/6/3/51/pdf |
| article xml uploaded. | 19 September 2018 06:17 CEST | Update | https://www.mdpi.com/2227-7099/6/3/51/xml |
| article xml file uploaded | 19 September 2018 06:17 CEST | Original file | - |
