| article html file updated | 12 February 2020 01:15 CET | Update | https://www.mdpi.com/2076-3298/6/4/40 |
| article html file updated | 17 October 2019 07:25 CEST | Update | - |
| article html file updated | 8 May 2019 21:07 CEST | Update | - |
| article html file updated | 25 April 2019 20:36 CEST | Update | - |
| article html file updated | 11 April 2019 15:47 CEST | Update | - |
| article html file updated | 28 March 2019 10:45 CET | Original file | - |
| article pdf uploaded. | 28 March 2019 06:57 CET | Version of Record | https://www.mdpi.com/2076-3298/6/4/40/pdf |
| article xml uploaded. | 28 March 2019 06:57 CET | Update | https://www.mdpi.com/2076-3298/6/4/40/xml |
| article xml file uploaded | 28 March 2019 06:57 CET | Original file | - |
