| article html file updated | 11 February 2020 06:34 CET | Update | https://www.mdpi.com/2304-8158/8/1/12 |
| article html file updated | 12 October 2019 20:08 CEST | Update | - |
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| article html file updated | 4 January 2019 03:37 CET | Original file | - |
| article pdf uploaded. | 4 January 2019 03:35 CET | Updated version of record | https://www.mdpi.com/2304-8158/8/1/12/pdf |
| article xml uploaded. | 4 January 2019 03:35 CET | Update | https://www.mdpi.com/2304-8158/8/1/12/xml |
| article xml file uploaded | 4 January 2019 03:35 CET | Update | - |
| article pdf uploaded. | 3 January 2019 16:47 CET | Updated version of record | https://www.mdpi.com/2304-8158/8/1/12/pdf-vor |
| article pdf uploaded. | 3 January 2019 16:33 CET | Version of Record | https://www.mdpi.com/2304-8158/8/1/12/pdf-vor |
| article xml file uploaded | 3 January 2019 16:33 CET | Original file | - |