| article html file updated | 9 February 2020 04:38 CET | Update | https://www.mdpi.com/2073-4360/10/2/127 | 
| article html file updated | 30 September 2019 07:15 CEST | Update | - | 
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| article html file updated | 17 April 2019 21:36 CEST | Update | - | 
| article html file updated | 28 March 2019 18:58 CET | Update | - | 
| article html file updated | 14 March 2018 10:16 CET | Update | - | 
| article html file updated | 28 January 2018 10:28 CET | Original file | - | 
| article xml uploaded. | 28 January 2018 10:26 CET | Update | https://www.mdpi.com/2073-4360/10/2/127/xml | 
| article xml uploaded. | 28 January 2018 10:26 CET | Original file | - | 
| article pdf uploaded. | 28 January 2018 10:26 CET | Version of Record | https://www.mdpi.com/2073-4360/10/2/127/pdf |