| article html file updated | 11 February 2020 08:14 CET | Update | https://www.mdpi.com/2306-7381/6/1/7 |
| article html file updated | 27 April 2019 08:06 CEST | Update | - |
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| article pdf uploaded. | 15 January 2019 09:56 CET | Updated version of record | https://www.mdpi.com/2306-7381/6/1/7/pdf |
| article html file updated | 11 January 2019 10:48 CET | Update | - |
| article xml file uploaded | 11 January 2019 10:46 CET | Update | https://www.mdpi.com/2306-7381/6/1/7/xml |
| article pdf uploaded. | 11 January 2019 10:46 CET | Updated version of record | - |
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| article html file updated | 11 January 2019 10:20 CET | Update | - |
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