| article html file updated | 9 February 2020 19:45 CET | Update | https://www.mdpi.com/2220-9964/7/6/209 |
| article html file updated | 4 October 2019 03:24 CEST | Update | - |
| article html file updated | 30 April 2019 15:01 CEST | Update | - |
| article html file updated | 16 April 2019 15:35 CEST | Update | - |
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| article html file updated | 26 June 2018 11:02 CEST | Update | - |
| article html file updated | 31 May 2018 15:20 CEST | Original file | - |
| article pdf uploaded. | 31 May 2018 15:19 CEST | Version of Record | https://www.mdpi.com/2220-9964/7/6/209/pdf |
| article xml uploaded. | 31 May 2018 15:19 CEST | Update | https://www.mdpi.com/2220-9964/7/6/209/xml |
| article xml file uploaded | 31 May 2018 15:19 CEST | Original file | - |
