| article html file updated | 8 February 2020 08:16 CET | Update | https://www.mdpi.com/1999-4893/10/2/70 |
| article html file updated | 25 September 2019 08:17 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:31 CEST | Update | N/A |
| article html file updated | 24 November 2017 08:21 CET | Update | N/A |
| article xml uploaded. | 24 November 2017 08:20 CET | Update | https://www.mdpi.com/1999-4893/10/2/70/xml |
| article xml uploaded. | 24 November 2017 08:20 CET | Update | N/A |
| article pdf uploaded. | 24 November 2017 08:20 CET | Updated version of record | https://www.mdpi.com/1999-4893/10/2/70/pdf |
| article html file updated | 28 June 2017 12:28 CEST | Update | N/A |
| article html file updated | 14 June 2017 15:59 CEST | Original file | N/A |
| article pdf uploaded. | 14 June 2017 15:58 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/70/pdf-vor |