| article html file updated | 9 February 2020 17:16 CET | Update | https://www.mdpi.com/2227-9717/6/5/54 |
| article html file updated | 3 October 2019 12:01 CEST | Update | - |
| article html file updated | 30 April 2019 20:34 CEST | Update | - |
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| article html file updated | 29 March 2019 23:58 CET | Update | - |
| article html file updated | 30 May 2018 12:09 CEST | Update | - |
| article pdf uploaded. | 11 May 2018 15:29 CEST | Updated version of record | https://www.mdpi.com/2227-9717/6/5/54/pdf |
| article html file updated | 11 May 2018 15:23 CEST | Original file | - |
| article pdf uploaded. | 11 May 2018 15:22 CEST | Updated version of record | - |
| article xml uploaded. | 11 May 2018 15:21 CEST | Original file | https://www.mdpi.com/2227-9717/6/5/54/xml |
