function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akiyama, Hiroyuki & Tan, Benito C.', 2],
    ['Azuelo, Andrea G. & Tan, Benito C. & Shevock, James R.', 2],
    ['Brinda, John C. & He, Si & Atwood, John J. & Magill, Robert E.', 2],
    ['Luna, Efraín De', 2],
    ['Pantović, Jovana & Veljić, Milan & Grdović, Svetlana', 1],
    ['Pioli, Achille', 2],
    ['Price, Michelle J.', 8],
    ['Reeb, Catherine & Letsara, Rokiman & Andriamiarisoa, Roger Lala', 2],
    ['Singh, Navneet & Ranjan, Rahul & Talukdar, Avishek', 2],
    ['Vilas Boas da Frota, Angélica & Vitorino, Breno Dias', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);