| article html file updated | 9 February 2020 19:07 CET | Update | https://www.mdpi.com/2310-2861/4/2/50 |
| article html file updated | 3 October 2019 23:39 CEST | Update | - |
| article html file updated | 30 April 2019 16:30 CEST | Update | - |
| article html file updated | 16 April 2019 16:58 CEST | Update | - |
| article html file updated | 30 March 2019 04:48 CET | Update | - |
| article html file updated | 26 May 2018 07:09 CEST | Update | - |
| article pdf uploaded. | 26 May 2018 07:07 CEST | Updated version of record | https://www.mdpi.com/2310-2861/4/2/50/pdf |
| article xml uploaded. | 26 May 2018 07:07 CEST | Update | https://www.mdpi.com/2310-2861/4/2/50/xml |
| article xml file uploaded | 26 May 2018 07:07 CEST | Update | - |
| article html file updated | 26 May 2018 06:49 CEST | Original file | - |
| article pdf uploaded. | 26 May 2018 06:48 CEST | Updated version of record | https://www.mdpi.com/2310-2861/4/2/50/pdf-vor |
| article xml file uploaded | 26 May 2018 06:48 CEST | Update | - |
| article pdf uploaded. | 25 May 2018 16:29 CEST | Updated version of record | https://www.mdpi.com/2310-2861/4/2/50/pdf-vor |
| article pdf uploaded. | 25 May 2018 16:27 CEST | Version of Record | https://www.mdpi.com/2310-2861/4/2/50/pdf-vor |
| article xml file uploaded | 25 May 2018 16:27 CEST | Original file | - |