| article html file updated | 8 February 2020 15:15 CET | Update | https://www.mdpi.com/2225-1146/5/3/40 |
| article html file updated | 26 September 2019 22:24 CEST | Update | - |
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| article html file updated | 14 March 2018 10:14 CET | Update | - |
| article html file updated | 4 September 2017 12:02 CEST | Original file | - |
| article xml uploaded. | 4 September 2017 12:01 CEST | Original file | https://www.mdpi.com/2225-1146/5/3/40/xml |
| article pdf uploaded. | 4 September 2017 12:01 CEST | Version of Record | https://www.mdpi.com/2225-1146/5/3/40/pdf |
