| article html file updated | 9 February 2020 06:49 CET | Update | https://www.mdpi.com/2076-3298/5/2/28 |
| article html file updated | 30 September 2019 20:28 CEST | Update | - |
| article html file updated | 1 May 2019 18:01 CEST | Update | - |
| article html file updated | 17 April 2019 17:21 CEST | Update | - |
| article html file updated | 28 March 2019 23:44 CET | Update | - |
| article html file updated | 14 March 2018 09:20 CET | Update | - |
| article html file updated | 22 February 2018 12:43 CET | Original file | - |
| article xml uploaded. | 22 February 2018 12:42 CET | Original file | https://www.mdpi.com/2076-3298/5/2/28/xml |
| article pdf uploaded. | 22 February 2018 12:42 CET | Updated version of record | https://www.mdpi.com/2076-3298/5/2/28/pdf |
| article pdf uploaded. | 15 February 2018 20:05 CET | Version of Record | https://www.mdpi.com/2076-3298/5/2/28/pdf-vor |
