| article html file updated | 8 February 2020 08:00 CET | Update | https://www.mdpi.com/2305-6320/4/2/39 |
| article html file updated | 25 September 2019 06:56 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:59 CEST | Update | N/A |
| article html file updated | 23 June 2017 09:59 CEST | Update | N/A |
| article xml uploaded. | 23 June 2017 09:58 CEST | Update | https://www.mdpi.com/2305-6320/4/2/39/xml |
| article pdf uploaded. | 23 June 2017 09:58 CEST | Updated version of record | https://www.mdpi.com/2305-6320/4/2/39/pdf |
| article html file updated | 14 June 2017 08:24 CEST | Original file | N/A |
| article pdf uploaded. | 14 June 2017 08:23 CEST | Updated version of record | https://www.mdpi.com/2305-6320/4/2/39/pdf-vor |
| article pdf uploaded. | 10 June 2017 12:18 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/2/39/pdf-vor |
