| article html file updated | 14 August 2026 23:35 CEST | Update | https://www.mdpi.com/1999-4907/9/4/158 |
| article html file updated | 30 August 2025 03:06 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:05 CEST | Update | N/A |
| article html file updated | 9 February 2020 10:36 CET | Update | N/A |
| article html file updated | 14 November 2019 11:18 CET | Update | N/A |
| article xml uploaded. | 14 November 2019 11:16 CET | Update | https://www.mdpi.com/1999-4907/9/4/158/xml |
| article xml uploaded. | 14 November 2019 11:16 CET | Update | N/A |
| article xml uploaded. | 14 November 2019 11:16 CET | Update | N/A |
| article xml uploaded. | 14 November 2019 11:16 CET | Update | N/A |
| article pdf uploaded. | 14 November 2019 11:16 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/4/158/pdf |
| article html file updated | 1 October 2019 19:40 CEST | Update | N/A |
| article html file updated | 1 May 2019 10:07 CEST | Update | N/A |
| article html file updated | 17 April 2019 09:59 CEST | Update | N/A |
| article html file updated | 29 March 2019 08:15 CET | Update | N/A |
| article html file updated | 1 May 2018 11:18 CEST | Update | N/A |
| article html file updated | 22 March 2018 13:37 CET | Update | N/A |
| article pdf uploaded. | 22 March 2018 13:36 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/4/158/pdf-vor |
| article html file updated | 21 March 2018 07:35 CET | Original file | N/A |
| article pdf uploaded. | 21 March 2018 07:34 CET | Version of Record | https://www.mdpi.com/1999-4907/9/4/158/pdf-vor |
