| article html file updated | 7 February 2020 18:36 CET | Update | https://www.mdpi.com/1424-8220/16/12/1993 |
| article html file updated | 4 May 2019 21:23 CEST | Update | - |
| article html file updated | 27 December 2016 12:37 CET | Update | - |
| article html file updated | 25 November 2016 10:07 CET | Update | - |
| article xml uploaded. | 25 November 2016 10:05 CET | Update | https://www.mdpi.com/1424-8220/16/12/1993/xml |
| article xml uploaded. | 25 November 2016 10:05 CET | Update | - |
| article pdf uploaded. | 25 November 2016 10:05 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/12/1993/pdf |
| article html file updated | 25 November 2016 09:46 CET | Update | - |
| article html file updated | 25 November 2016 09:46 CET | Original file | - |
| article xml uploaded. | 25 November 2016 09:45 CET | Update | - |
| article pdf uploaded. | 25 November 2016 09:45 CET | Updated version of record | - |
| article xml uploaded. | 25 November 2016 09:45 CET | Update | - |
| article xml uploaded. | 25 November 2016 09:45 CET | Original file | - |
| article pdf uploaded. | 25 November 2016 09:45 CET | Version of Record | - |
