| article html file updated | 9 February 2020 08:18 CET | Update | https://www.mdpi.com/2304-6740/6/1/32 |
| article html file updated | 1 May 2019 14:56 CEST | Update | - |
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| article html file updated | 27 March 2018 12:36 CEST | Update | - |
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| article xml uploaded. | 5 March 2018 13:16 CET | Update | https://www.mdpi.com/2304-6740/6/1/32/xml |
| article pdf uploaded. | 5 March 2018 13:16 CET | Updated version of record | https://www.mdpi.com/2304-6740/6/1/32/pdf |
| article html file updated | 1 March 2018 17:31 CET | Original file | - |
| article pdf uploaded. | 1 March 2018 17:30 CET | Version of Record | https://www.mdpi.com/2304-6740/6/1/32/pdf-vor |
