| article html file updated | 11 February 2020 08:21 CET | Update | https://www.mdpi.com/2079-9721/7/1/6 |
| article html file updated | 27 April 2019 07:51 CEST | Update | - |
| article html file updated | 13 April 2019 03:57 CEST | Update | - |
| article html file updated | 10 April 2019 16:56 CEST | Update | - |
| article html file updated | 3 April 2019 02:04 CEST | Update | - |
| article html file updated | 15 January 2019 04:43 CET | Update | - |
| article pdf uploaded. | 15 January 2019 04:42 CET | Updated version of record | https://www.mdpi.com/2079-9721/7/1/6/pdf |
| article xml uploaded. | 15 January 2019 04:42 CET | Update | https://www.mdpi.com/2079-9721/7/1/6/xml |
| article xml file uploaded | 15 January 2019 04:42 CET | Update | - |
| article html file updated | 12 January 2019 02:19 CET | Original file | - |
| article xml uploaded. | 11 January 2019 13:51 CET | Original file | - |
| article pdf uploaded. | 11 January 2019 13:51 CET | Version of Record | https://www.mdpi.com/2079-9721/7/1/6/pdf-vor |
