| article html file updated | 8 February 2020 09:33 CET | Update | https://www.mdpi.com/2076-3921/6/3/49 |
| article html file updated | 3 May 2019 15:04 CEST | Update | N/A |
| article html file updated | 30 September 2017 11:17 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:21 CEST | Update | N/A |
| article xml uploaded. | 29 June 2017 11:18 CEST | Update | https://www.mdpi.com/2076-3921/6/3/49/xml |
| article pdf uploaded. | 29 June 2017 11:18 CEST | Updated version of record | https://www.mdpi.com/2076-3921/6/3/49/pdf |
| article html file updated | 29 June 2017 11:18 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:18 CEST | Original file | N/A |
| article pdf uploaded. | 29 June 2017 11:17 CEST | Updated version of record | https://www.mdpi.com/2076-3921/6/3/49/pdf-vor |
| article pdf uploaded. | 29 June 2017 11:17 CEST | Version of Record | https://www.mdpi.com/2076-3921/6/3/49/pdf-vor |
