| article html file updated | 14 February 2020 13:35 CET | Update | https://www.mdpi.com/2220-9964/8/12/535 | 
| article html file updated | 31 December 2019 06:20 CET | Update | - | 
| article html file updated | 28 November 2019 10:39 CET | Update | - | 
| article pdf uploaded. | 28 November 2019 10:37 CET | Updated version of record | https://www.mdpi.com/2220-9964/8/12/535/pdf | 
| article xml uploaded. | 28 November 2019 10:37 CET | Update | https://www.mdpi.com/2220-9964/8/12/535/xml | 
| article xml file uploaded | 28 November 2019 10:37 CET | Update | - | 
| article html file updated | 28 November 2019 01:53 CET | Original file | - | 
| article pdf uploaded. | 27 November 2019 12:38 CET | Version of Record | https://www.mdpi.com/2220-9964/8/12/535/pdf-vor | 
| article xml uploaded. | 27 November 2019 12:38 CET | Update | - | 
| article xml file uploaded | 27 November 2019 12:38 CET | Original file | - |