| article html file updated | 9 February 2020 04:03 CET | Update | https://www.mdpi.com/2076-3417/8/2/152 | 
| article html file updated | 30 September 2019 03:45 CEST | Update | - | 
| article html file updated | 2 May 2019 00:09 CEST | Update | - | 
| article html file updated | 17 April 2019 22:39 CEST | Update | - | 
| article html file updated | 28 March 2019 17:45 CET | Update | - | 
| article html file updated | 14 March 2018 09:45 CET | Update | - | 
| article html file updated | 24 January 2018 09:56 CET | Update | - | 
| article xml uploaded. | 24 January 2018 09:54 CET | Update | https://www.mdpi.com/2076-3417/8/2/152/xml | 
| article pdf uploaded. | 24 January 2018 09:54 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/2/152/pdf | 
| article html file updated | 23 January 2018 14:40 CET | Original file | - | 
| article xml uploaded. | 23 January 2018 14:39 CET | Original file | - | 
| article pdf uploaded. | 23 January 2018 14:39 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/152/pdf-vor |