| article html file updated | 9 February 2020 18:20 CET | Update | https://www.mdpi.com/2075-4442/6/2/52 |
| article html file updated | 3 October 2019 18:48 CEST | Update | - |
| article html file updated | 30 April 2019 18:16 CEST | Update | - |
| article html file updated | 16 April 2019 18:43 CEST | Update | - |
| article html file updated | 30 March 2019 02:43 CET | Update | - |
| article html file updated | 27 June 2018 10:27 CEST | Update | - |
| article html file updated | 20 May 2018 07:25 CEST | Original file | - |
| article pdf uploaded. | 20 May 2018 07:24 CEST | Version of Record | https://www.mdpi.com/2075-4442/6/2/52/pdf |
| article xml uploaded. | 20 May 2018 07:24 CEST | Update | https://www.mdpi.com/2075-4442/6/2/52/xml |
| article xml file uploaded | 20 May 2018 07:24 CEST | Original file | - |
