| article html file updated | 14 August 2026 03:45 CEST | Update | https://www.mdpi.com/1996-1944/8/8/5018 |
| article html file updated | 6 February 2020 21:27 CET | Update | N/A |
| article html file updated | 6 May 2019 14:13 CEST | Update | N/A |
| article html file updated | 26 March 2019 08:06 CET | Update | N/A |
| article html file updated | 3 September 2015 03:56 CEST | Update | N/A |
| article xml file uploaded | 3 September 2015 03:56 CEST | Original file | https://www.mdpi.com/1996-1944/8/8/5018/xml |
| article html file updated | 21 August 2015 15:25 CEST | Original file | N/A |
| article pdf uploaded. | 6 August 2015 08:49 CEST | Updated version of record | https://www.mdpi.com/1996-1944/8/8/5018/pdf |
| article pdf uploaded. | 5 August 2015 14:11 CEST | Version of Record | https://www.mdpi.com/1996-1944/8/8/5018/pdf-vor |
