| article html file updated | 8 February 2020 07:12 CET | Update | https://www.mdpi.com/2304-6740/5/2/37 |
| article html file updated | 25 September 2019 02:51 CEST | Update | - |
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| article html file updated | 30 June 2017 08:26 CEST | Update | - |
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| article xml uploaded. | 7 June 2017 08:32 CEST | Update | https://www.mdpi.com/2304-6740/5/2/37/xml |
| article pdf uploaded. | 7 June 2017 08:32 CEST | Updated version of record | https://www.mdpi.com/2304-6740/5/2/37/pdf |
| article html file updated | 2 June 2017 14:46 CEST | Original file | - |
| article pdf uploaded. | 2 June 2017 14:45 CEST | Updated version of record | https://www.mdpi.com/2304-6740/5/2/37/pdf-vor |
| article pdf uploaded. | 1 June 2017 12:00 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/37/pdf-vor |