| article html file updated | 11 February 2020 01:42 CET | Update | https://www.mdpi.com/2218-1989/8/4/91 |
| article html file updated | 11 October 2019 14:17 CEST | Update | - |
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| article html file updated | 26 December 2018 21:40 CET | Update | - |
| article html file updated | 16 December 2018 08:12 CET | Original file | - |
| article pdf uploaded. | 16 December 2018 08:11 CET | Updated version of record | https://www.mdpi.com/2218-1989/8/4/91/pdf |
| article xml uploaded. | 16 December 2018 08:11 CET | Update | https://www.mdpi.com/2218-1989/8/4/91/xml |
| article xml file uploaded | 16 December 2018 08:11 CET | Update | - |
| article pdf uploaded. | 6 December 2018 17:04 CET | Updated version of record | https://www.mdpi.com/2218-1989/8/4/91/pdf-vor |
| article pdf uploaded. | 6 December 2018 16:55 CET | Version of Record | https://www.mdpi.com/2218-1989/8/4/91/pdf-vor |
| article xml file uploaded | 6 December 2018 16:55 CET | Original file | - |
