| article html file updated | 11 February 2020 17:56 CET | Update | https://www.mdpi.com/2076-3298/6/2/23 |
| article html file updated | 15 October 2019 11:36 CEST | Update | - |
| article html file updated | 26 April 2019 12:44 CEST | Update | - |
| article html file updated | 12 April 2019 08:14 CEST | Update | - |
| article html file updated | 4 April 2019 01:42 CEST | Update | - |
| article html file updated | 1 March 2019 18:35 CET | Update | - |
| article html file updated | 1 March 2019 09:59 CET | Update | - |
| article html file updated | 22 February 2019 10:45 CET | Original file | - |
| article pdf uploaded. | 22 February 2019 10:44 CET | Version of Record | https://www.mdpi.com/2076-3298/6/2/23/pdf |
| article xml uploaded. | 22 February 2019 10:44 CET | Update | https://www.mdpi.com/2076-3298/6/2/23/xml |
| article xml file uploaded | 22 February 2019 10:44 CET | Original file | - |
