| article html file updated | 9 February 2020 05:56 CET | Update | https://www.mdpi.com/2079-6412/8/2/64 |
| article html file updated | 30 September 2019 15:14 CEST | Update | - |
| article html file updated | 1 May 2019 20:00 CEST | Update | - |
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| article html file updated | 28 March 2019 21:50 CET | Update | - |
| article html file updated | 14 March 2018 08:50 CET | Update | - |
| article html file updated | 8 February 2018 09:51 CET | Original file | - |
| article xml uploaded. | 8 February 2018 09:50 CET | Original file | https://www.mdpi.com/2079-6412/8/2/64/xml |
| article pdf uploaded. | 8 February 2018 09:50 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/64/pdf |
