| article html file updated | 9 February 2020 16:19 CET | Update | https://www.mdpi.com/2075-4442/6/2/44 |
| article html file updated | 3 October 2019 05:47 CEST | Update | - |
| article html file updated | 30 April 2019 22:35 CEST | Update | - |
| article html file updated | 16 April 2019 23:05 CEST | Update | - |
| article html file updated | 29 March 2019 21:40 CET | Update | - |
| article html file updated | 27 June 2018 10:19 CEST | Update | - |
| article html file updated | 4 May 2018 07:54 CEST | Original file | - |
| article pdf uploaded. | 4 May 2018 07:52 CEST | Version of Record | https://www.mdpi.com/2075-4442/6/2/44/pdf |
| article xml uploaded. | 4 May 2018 07:52 CEST | Update | https://www.mdpi.com/2075-4442/6/2/44/xml |
| article xml file uploaded | 4 May 2018 07:52 CEST | Original file | - |
