| article html file updated | 9 February 2020 23:22 CET | Update | https://www.mdpi.com/2075-4701/8/7/501 | 
| article html file updated | 5 October 2019 02:03 CEST | Update | - | 
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| article html file updated | 1 August 2018 09:04 CEST | Update | - | 
| article html file updated | 29 June 2018 09:16 CEST | Original file | - | 
| article pdf uploaded. | 29 June 2018 09:14 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/7/501/pdf | 
| article xml uploaded. | 29 June 2018 09:14 CEST | Update | https://www.mdpi.com/2075-4701/8/7/501/xml | 
| article xml file uploaded | 29 June 2018 09:14 CEST | Original file | - |