1. The survey was conducted by Skytrax World Airports through customer surveys.
2. The sponsor is undisclosed
3. Yes, the sponsor was looking to find the where the world's best airports were located and why they were the considered the best.
4. There was no methodology included in this particular article.
5. Yes, the results are clear in listing which airports were chosen as the best.
6. No graphs were used in this survey.
April 2, 2010| by International Herald Tribune| The New York Times