| article html file updated | 9 February 2020 05:49 CET | Update | https://www.mdpi.com/2075-4701/8/2/115 | 
| article html file updated | 30 September 2019 14:35 CEST | Update | - | 
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| article html file updated | 28 March 2019 21:36 CET | Update | - | 
| article html file updated | 7 February 2018 11:21 CET | Original file | - | 
| article xml uploaded. | 7 February 2018 11:19 CET | Update | https://www.mdpi.com/2075-4701/8/2/115/xml | 
| article xml uploaded. | 7 February 2018 11:19 CET | Update | - | 
| article xml uploaded. | 7 February 2018 11:19 CET | Original file | - | 
| article pdf uploaded. | 7 February 2018 11:19 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/115/pdf |