| article html file updated | 9 February 2020 06:41 CET | Update | https://www.mdpi.com/2076-3263/8/2/71 |
| article html file updated | 30 September 2019 19:37 CEST | Update | N/A |
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| article html file updated | 14 March 2018 11:09 CET | Update | N/A |
| article html file updated | 23 February 2018 04:29 CET | Update | N/A |
| article xml uploaded. | 23 February 2018 04:28 CET | Update | https://www.mdpi.com/2076-3263/8/2/71/xml |
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| article pdf uploaded. | 23 February 2018 04:28 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/2/71/pdf |
| article html file updated | 14 February 2018 16:10 CET | Original file | N/A |
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| article pdf uploaded. | 14 February 2018 16:08 CET | Version of Record | https://www.mdpi.com/2076-3263/8/2/71/pdf-vor |