| article html file updated | 8 February 2020 12:58 CET | Update | https://www.mdpi.com/2076-0787/6/3/59 |
| article html file updated | 3 May 2019 08:05 CEST | Update | N/A |
| article html file updated | 27 March 2019 19:39 CET | Update | N/A |
| article html file updated | 16 August 2017 05:32 CEST | Update | N/A |
| article xml uploaded. | 16 August 2017 05:31 CEST | Update | https://www.mdpi.com/2076-0787/6/3/59/xml |
| article pdf uploaded. | 16 August 2017 05:31 CEST | Updated version of record | https://www.mdpi.com/2076-0787/6/3/59/pdf |
| article html file updated | 7 August 2017 15:38 CEST | Original file | N/A |
| article pdf uploaded. | 7 August 2017 15:36 CEST | Updated version of record | https://www.mdpi.com/2076-0787/6/3/59/pdf-vor |
| article pdf uploaded. | 7 August 2017 12:42 CEST | Version of Record | https://www.mdpi.com/2076-0787/6/3/59/pdf-vor |
