Martins grew up in Campinas and learned to speak English with missionaries at age 12.

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Brazilian authorities have suspended certain magnetic resonance imaging (MRI) scans in the city of Campinas.

BBC: Brazil health authorities investigate MRI scan deaths

Health officials in Campinas, which is about 100km (60 miles) north-west of Sao Paulo, are currently investigating the deaths.

BBC: Brazil health authorities investigate MRI scan deaths

More than 80 other patients are said to have undergone MRI scans in Campinas on the same day but so far suffered no ill-effects.

BBC: Brazil health authorities investigate MRI scan deaths

Until the cause of the deaths was established, all MRI scans using contrast agents, except in emergencies, had been suspended in public hospitals of Campinas, they added.

BBC: Brazil health authorities investigate MRI scan deaths

The best economic prospects in this region lie in more modestly sized cities like Santiago, the capital of resource-rich Chile, and even Campinas, Brazil, a growing smaller city--with 3 million residents--that lies outside the congested Sao Paolo region.

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