| article html file updated | 9 February 2020 10:38 CET | Update | https://www.mdpi.com/2076-3263/8/4/103 |
| article html file updated | 1 October 2019 19:54 CEST | Update | - |
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| article xml uploaded. | 21 March 2018 12:10 CET | Update | https://www.mdpi.com/2076-3263/8/4/103/xml |
| article pdf uploaded. | 21 March 2018 12:10 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/4/103/pdf |
| article html file updated | 21 March 2018 10:55 CET | Original file | - |
| article pdf uploaded. | 21 March 2018 10:54 CET | Version of Record | https://www.mdpi.com/2076-3263/8/4/103/pdf-vor |