| article html file updated | 12 February 2020 02:55 CET | Update | https://www.mdpi.com/1999-4907/10/4/308 |
| article html file updated | 17 October 2019 17:42 CEST | Update | - |
| article html file updated | 8 May 2019 19:47 CEST | Update | - |
| article html file updated | 25 April 2019 17:06 CEST | Update | - |
| article html file updated | 17 April 2019 12:10 CEST | Original file | - |
| article pdf uploaded. | 17 April 2019 12:09 CEST | Updated version of record | https://www.mdpi.com/1999-4907/10/4/308/pdf |
| article xml uploaded. | 17 April 2019 12:09 CEST | Update | https://www.mdpi.com/1999-4907/10/4/308/xml |
| article xml file uploaded | 17 April 2019 12:09 CEST | Update | - |
| article pdf uploaded. | 3 April 2019 16:34 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/4/308/pdf-vor |
| article xml file uploaded | 3 April 2019 16:34 CEST | Original file | - |