| article html file updated | 8 February 2020 08:04 CET | Update | https://www.mdpi.com/2076-3298/4/2/41 |
| article html file updated | 25 September 2019 07:17 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:51 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:26 CEST | Update | N/A |
| article html file updated | 13 June 2017 08:19 CEST | Update | N/A |
| article xml uploaded. | 13 June 2017 08:18 CEST | Update | https://www.mdpi.com/2076-3298/4/2/41/xml |
| article pdf uploaded. | 13 June 2017 08:18 CEST | Updated version of record | https://www.mdpi.com/2076-3298/4/2/41/pdf |
| article html file updated | 12 June 2017 11:57 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2017 11:56 CEST | Version of Record | https://www.mdpi.com/2076-3298/4/2/41/pdf-vor |
