| article html file updated | 9 February 2020 00:05 CET | Update | https://www.mdpi.com/2076-0787/6/4/99 |
| article html file updated | 2 May 2019 08:34 CEST | Update | - |
| article html file updated | 18 April 2019 06:20 CEST | Update | - |
| article html file updated | 7 February 2018 09:12 CET | Update | - |
| article html file updated | 21 December 2017 08:26 CET | Update | - |
| article xml uploaded. | 21 December 2017 08:25 CET | Update | https://www.mdpi.com/2076-0787/6/4/99/xml |
| article pdf uploaded. | 21 December 2017 08:25 CET | Updated version of record | https://www.mdpi.com/2076-0787/6/4/99/pdf |
| article html file updated | 18 December 2017 09:32 CET | Update | - |
| article xml uploaded. | 18 December 2017 09:31 CET | Update | - |
| article pdf uploaded. | 18 December 2017 09:31 CET | Updated version of record | https://www.mdpi.com/2076-0787/6/4/99/pdf-vor |
| article pdf uploaded. | 18 December 2017 08:12 CET | Updated version of record | https://www.mdpi.com/2076-0787/6/4/99/pdf-vor |
| article html file updated | 15 December 2017 08:14 CET | Update | - |
| article html file updated | 15 December 2017 08:14 CET | Update | - |
| article xml uploaded. | 15 December 2017 08:13 CET | Update | - |
| article html file updated | 15 December 2017 07:38 CET | Update | - |
| article xml uploaded. | 15 December 2017 07:37 CET | Update | - |
| article pdf uploaded. | 15 December 2017 07:37 CET | Updated version of record | https://www.mdpi.com/2076-0787/6/4/99/pdf-vor |
| article html file updated | 14 December 2017 13:18 CET | Original file | - |
| article pdf uploaded. | 14 December 2017 13:16 CET | Version of Record | https://www.mdpi.com/2076-0787/6/4/99/pdf-vor |
| article xml uploaded. | 14 December 2017 13:16 CET | Original file | - |
