| article html file updated | 8 February 2020 02:21 CET | Update | https://www.mdpi.com/1660-4601/14/4/348 | 
| article html file updated | 24 September 2019 00:48 CEST | Update | - | 
| article html file updated | 4 May 2019 04:49 CEST | Update | - | 
| article html file updated | 28 April 2017 08:04 CEST | Update | - | 
| article html file updated | 28 March 2017 12:35 CEST | Update | - | 
| article xml uploaded. | 28 March 2017 12:34 CEST | Update | https://www.mdpi.com/1660-4601/14/4/348/xml | 
| article pdf uploaded. | 28 March 2017 12:34 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/4/348/pdf | 
| article html file updated | 27 March 2017 14:30 CEST | Original file | - | 
| article pdf uploaded. | 27 March 2017 14:28 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/4/348/pdf-vor |