| article html file updated | 11 February 2020 17:29 CET | Update | https://www.mdpi.com/2076-3271/7/2/31 |
| article html file updated | 15 October 2019 08:39 CEST | Update | - |
| article html file updated | 26 April 2019 13:44 CEST | Update | - |
| article html file updated | 12 April 2019 09:17 CEST | Update | - |
| article html file updated | 4 April 2019 00:22 CEST | Update | - |
| article html file updated | 4 March 2019 02:54 CET | Update | - |
| article html file updated | 1 March 2019 07:37 CET | Update | - |
| article html file updated | 24 February 2019 10:10 CET | Original file | - |
| article pdf uploaded. | 24 February 2019 10:07 CET | Updated version of record | https://www.mdpi.com/2076-3271/7/2/31/pdf |
| article xml uploaded. | 24 February 2019 10:07 CET | Update | https://www.mdpi.com/2076-3271/7/2/31/xml |
| article xml file uploaded | 24 February 2019 10:07 CET | Update | - |
| article pdf uploaded. | 20 February 2019 14:51 CET | Version of Record | https://www.mdpi.com/2076-3271/7/2/31/pdf-vor |
| article xml file uploaded | 20 February 2019 14:51 CET | Original file | - |
