Denmark, a country that started digitizing health data more than a decade ago, is a recognized world leader. So it is not surprising that when some 480 people  gather in Paris April 6 for a Health 2.0 conference they will hear about the country's ongoing programs and those of other innovative European governments. But the conference will also focus on Internet start-ups in places like Hungary, Italy, Spain, Sweden and France, which are empowering patients and doctors within their own borders and beyond.Read more