| article html file updated | 30 August 2025 02:40 CEST | Update | https://www.mdpi.com/2076-3417/8/2/305 | 
| article html file updated | 16 July 2022 09:22 CEST | Update | - | 
| article html file updated | 9 February 2020 07:07 CET | Update | - | 
| article html file updated | 30 September 2019 22:09 CEST | Update | - | 
| article html file updated | 1 May 2019 17:24 CEST | Update | - | 
| article html file updated | 17 April 2019 16:46 CEST | Update | - | 
| article html file updated | 29 March 2019 00:21 CET | Update | - | 
| article html file updated | 14 March 2018 12:03 CET | Update | - | 
| article html file updated | 23 February 2018 11:50 CET | Original file | - | 
| article xml uploaded. | 23 February 2018 11:49 CET | Original file | https://www.mdpi.com/2076-3417/8/2/305/xml | 
| article pdf uploaded. | 23 February 2018 11:49 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/2/305/pdf | 
| article pdf uploaded. | 20 February 2018 14:57 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/2/305/pdf-vor | 
| article pdf uploaded. | 20 February 2018 14:53 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/305/pdf-vor |