| article html file updated | 8 February 2020 13:19 CET | Update | https://www.mdpi.com/2071-1050/9/8/1422 | 
| article html file updated | 26 September 2019 11:53 CEST | Update | - | 
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| article html file updated | 1 September 2017 06:23 CEST | Update | - | 
| article html file updated | 14 August 2017 04:40 CEST | Update | - | 
| article xml uploaded. | 14 August 2017 04:39 CEST | Update | https://www.mdpi.com/2071-1050/9/8/1422/xml | 
| article pdf uploaded. | 14 August 2017 04:39 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/8/1422/pdf | 
| article html file updated | 13 August 2017 10:11 CEST | Original file | - | 
| article xml uploaded. | 13 August 2017 10:10 CEST | Original file | - | 
| article pdf uploaded. | 13 August 2017 10:10 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/8/1422/pdf-vor | 
| article pdf uploaded. | 11 August 2017 11:58 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/8/1422/pdf-vor |