| article html file updated | 11 February 2020 20:14 CET | Update | https://www.mdpi.com/2076-3298/6/3/31 |
| article html file updated | 16 October 2019 02:34 CEST | Update | - |
| article html file updated | 26 April 2019 07:30 CEST | Update | - |
| article html file updated | 12 April 2019 02:58 CEST | Update | - |
| article html file updated | 4 April 2019 07:49 CEST | Update | - |
| article html file updated | 2 April 2019 04:19 CEST | Update | - |
| article html file updated | 8 March 2019 12:34 CET | Original file | - |
| article pdf uploaded. | 8 March 2019 12:33 CET | Updated version of record | https://www.mdpi.com/2076-3298/6/3/31/pdf |
| article xml uploaded. | 8 March 2019 12:33 CET | Update | https://www.mdpi.com/2076-3298/6/3/31/xml |
| article xml file uploaded | 8 March 2019 12:33 CET | Update | - |
| article pdf uploaded. | 5 March 2019 16:03 CET | Version of Record | https://www.mdpi.com/2076-3298/6/3/31/pdf-vor |
| article xml file uploaded | 5 March 2019 16:03 CET | Original file | - |
