| article html file updated | 7 February 2020 21:25 CET | Update | https://www.mdpi.com/1424-8220/17/1/149 | 
| article html file updated | 22 September 2019 21:06 CEST | Update | - | 
| article html file updated | 4 May 2019 15:25 CEST | Update | - | 
| article html file updated | 8 February 2017 09:55 CET | Update | - | 
| article html file updated | 13 January 2017 11:09 CET | Original file | - | 
| article xml uploaded. | 13 January 2017 11:08 CET | Update | https://www.mdpi.com/1424-8220/17/1/149/xml | 
| article xml uploaded. | 13 January 2017 11:08 CET | Update | - | 
| article xml uploaded. | 13 January 2017 11:08 CET | Update | - | 
| article xml uploaded. | 13 January 2017 11:08 CET | Update | - | 
| article xml uploaded. | 13 January 2017 11:08 CET | Update | - | 
| article xml uploaded. | 13 January 2017 11:08 CET | Update | - | 
| article xml uploaded. | 13 January 2017 11:08 CET | Original file | - | 
| article pdf uploaded. | 13 January 2017 11:08 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/149/pdf |