| article html file updated | 11 February 2020 14:16 CET | Update | https://www.mdpi.com/1999-4915/11/2/139 | 
| article html file updated | 14 October 2019 14:21 CEST | Update | - | 
| article html file updated | 26 April 2019 20:14 CEST | Update | - | 
| article html file updated | 12 April 2019 16:04 CEST | Update | - | 
| article html file updated | 3 April 2019 16:19 CEST | Update | - | 
| article html file updated | 1 March 2019 14:17 CET | Update | - | 
| article html file updated | 28 February 2019 16:17 CET | Update | - | 
| article html file updated | 16 February 2019 11:23 CET | Update | - | 
| article xml file uploaded | 16 February 2019 11:20 CET | Update | https://www.mdpi.com/1999-4915/11/2/139/xml | 
| article xml uploaded. | 16 February 2019 11:20 CET | Update | - | 
| article pdf uploaded. | 16 February 2019 11:20 CET | Updated version of record | https://www.mdpi.com/1999-4915/11/2/139/pdf | 
| article html file updated | 16 February 2019 11:01 CET | Original file | - | 
| article pdf uploaded. | 16 February 2019 10:59 CET | Updated version of record | https://www.mdpi.com/1999-4915/11/2/139/pdf-vor | 
| article xml uploaded. | 16 February 2019 10:59 CET | Update | - | 
| article xml file uploaded | 16 February 2019 10:59 CET | Update | - | 
| article xml file uploaded | 6 February 2019 16:30 CET | Original file | - | 
| article pdf uploaded. | 6 February 2019 16:30 CET | Version of Record | https://www.mdpi.com/1999-4915/11/2/139/pdf-vor |