function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cabral, Tiara S. & Da Silva, Bianca D. B. & Ishikawa, Noemia K.', 3],
    ['Cabral, Tiara S. & Silva, Bianca DB. & Martin, Maria P.', 4],
    ['Jarvis, Charlie', 1],
    ['Li, Ting & Deng, Wang-Qiu & Song, Bin & Zhang, Ming & Wang, Mu', 2],
    ['Lv, Tong & Li, Yong-Rui & Ao, Cheng-Ce & He, Jun & Yu, Feng-Ming', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);