| article html file updated | 9 February 2020 22:49 CET | Update | https://www.mdpi.com/2226-4310/5/3/69 | 
| article html file updated | 4 October 2019 22:41 CEST | Update | - | 
| article html file updated | 30 April 2019 07:45 CEST | Update | - | 
| article html file updated | 16 April 2019 02:49 CEST | Update | - | 
| article html file updated | 30 March 2019 14:12 CET | Update | - | 
| article html file updated | 25 September 2018 11:45 CEST | Update | - | 
| article html file updated | 1 August 2018 06:29 CEST | Update | - | 
| article html file updated | 31 July 2018 11:48 CEST | Update | - | 
| article html file updated | 26 June 2018 11:10 CEST | Original file | - | 
| article pdf uploaded. | 26 June 2018 10:54 CEST | Updated version of record | https://www.mdpi.com/2226-4310/5/3/69/pdf | 
| article xml uploaded. | 26 June 2018 10:54 CEST | Update | https://www.mdpi.com/2226-4310/5/3/69/xml | 
| article xml file uploaded | 26 June 2018 10:54 CEST | Update | - | 
| article pdf uploaded. | 25 June 2018 16:01 CEST | Updated version of record | https://www.mdpi.com/2226-4310/5/3/69/pdf-vor | 
| article pdf uploaded. | 25 June 2018 15:59 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/3/69/pdf-vor | 
| article xml file uploaded | 25 June 2018 15:59 CEST | Original file | - |