| article html file updated | 9 February 2020 07:42 CET | Update | https://www.mdpi.com/2079-3197/6/1/22 |
| article html file updated | 1 October 2019 01:26 CEST | Update | - |
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| article xml uploaded. | 27 February 2018 06:29 CET | Update | https://www.mdpi.com/2079-3197/6/1/22/xml |
| article pdf uploaded. | 27 February 2018 06:29 CET | Updated version of record | https://www.mdpi.com/2079-3197/6/1/22/pdf |
| article html file updated | 26 February 2018 15:44 CET | Original file | - |
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| article pdf uploaded. | 26 February 2018 15:42 CET | Updated version of record | https://www.mdpi.com/2079-3197/6/1/22/pdf-vor |
| article xml uploaded. | 26 February 2018 15:21 CET | Update | - |
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