| article html file updated | 9 February 2020 18:09 CET | Update | https://www.mdpi.com/2079-6374/8/2/50 |
| article html file updated | 3 October 2019 17:43 CEST | Update | - |
| article html file updated | 30 April 2019 18:39 CEST | Update | - |
| article html file updated | 16 April 2019 19:06 CEST | Update | - |
| article html file updated | 30 March 2019 02:14 CET | Update | - |
| article html file updated | 18 May 2018 11:27 CEST | Original file | - |
| article pdf uploaded. | 18 May 2018 11:26 CEST | Version of Record | https://www.mdpi.com/2079-6374/8/2/50/pdf |
| article xml uploaded. | 18 May 2018 11:26 CEST | Update | https://www.mdpi.com/2079-6374/8/2/50/xml |
| article xml file uploaded | 18 May 2018 11:26 CEST | Original file | - |
