| article html file updated | 9 February 2020 19:22 CET | Update | https://www.mdpi.com/2220-9964/7/6/201 |
| article html file updated | 4 October 2019 01:07 CEST | Update | - |
| article html file updated | 30 April 2019 15:55 CEST | Update | - |
| article html file updated | 16 April 2019 16:24 CEST | Update | - |
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| article html file updated | 26 June 2018 10:59 CEST | Update | - |
| article html file updated | 29 May 2018 04:50 CEST | Original file | - |
| article pdf uploaded. | 29 May 2018 04:49 CEST | Version of Record | https://www.mdpi.com/2220-9964/7/6/201/pdf |
| article xml uploaded. | 29 May 2018 04:49 CEST | Update | https://www.mdpi.com/2220-9964/7/6/201/xml |
| article xml file uploaded | 29 May 2018 04:49 CEST | Original file | - |
