function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aoki, Camila & Lopes, Frederico Santos', 2],
    ['Boulard, Michel & Martinelli, Nilza Maria', 4],
    ['De Santis, Cecilia L. & Medrano, María Celeste', 2],
    ['Maccagnan, DHB & Martinelli, NM', 2],
    ['Maes, Jean-Michel & Moulds, Max & Sanborn, Allen F.', 2],
    ['Martinelli, Nilza M. & Zucchi, Roberto A.', 2],
    ['Martinelli, Nilza Maria', 2],
    ['Martinelli, Nilza Maria & Zucchi, Roberto Antonio', 1],
    ['SUEUR, JÉRÔME', 1],
    ['Sanborn, Allen F.', 48],
    ['Sanborn, Allen F. & Heath, Maxine S.', 5],
    ['Santos, Rodrigo Souza & Martinelli, Nilza Maria', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=73)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);