| article html file updated | 14 August 2026 19:14 CEST | Update | https://www.mdpi.com/2073-4336/8/4/50 |
| article html file updated | 30 August 2025 01:43 CEST | Update | N/A |
| article html file updated | 16 July 2022 07:26 CEST | Update | N/A |
| article html file updated | 8 February 2020 21:25 CET | Update | N/A |
| article html file updated | 28 September 2019 13:02 CEST | Update | N/A |
| article html file updated | 2 May 2019 14:29 CEST | Update | N/A |
| article html file updated | 18 April 2019 12:08 CEST | Update | N/A |
| article html file updated | 22 November 2017 02:33 CET | Update | N/A |
| article xml uploaded. | 22 November 2017 02:32 CET | Update | https://www.mdpi.com/2073-4336/8/4/50/xml |
| article pdf uploaded. | 22 November 2017 02:32 CET | Updated version of record | https://www.mdpi.com/2073-4336/8/4/50/pdf |
| article xml uploaded. | 22 November 2017 02:32 CET | Update | N/A |
| article html file updated | 17 November 2017 08:02 CET | Update | N/A |
| article html file updated | 17 November 2017 08:02 CET | Original file | N/A |
| article xml uploaded. | 17 November 2017 08:01 CET | Update | N/A |
| article xml uploaded. | 17 November 2017 08:01 CET | Update | N/A |
| article xml uploaded. | 17 November 2017 08:01 CET | Update | N/A |
| article pdf uploaded. | 17 November 2017 08:01 CET | Updated version of record | https://www.mdpi.com/2073-4336/8/4/50/pdf-vor |
| article xml uploaded. | 17 November 2017 07:59 CET | Update | N/A |
| article xml uploaded. | 17 November 2017 07:59 CET | Original file | N/A |
| article pdf uploaded. | 17 November 2017 07:59 CET | Version of Record | https://www.mdpi.com/2073-4336/8/4/50/pdf-vor |
