function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amora, Gizelle & Hamada, Neusa & Pinho, Iz. C.', 1],
    ['Dantas, Galileu P. S. & Hamada, Neusa & Mendes, Humberto F.', 14],
    ['Epler, John H.', 1],
    ['Lin, Xiao-Long & Yao, Yuan & Yan, Chun-Cai & Liu, Wen-Bin', 2],
    ['Mendes, Humberto Fonseca & Pinho, Luiz Carlos', 2],
    ['Pinho, Luiz Carlos De & Mendes, Humberto Fonseca', 1],
    ['Qi, Xin & Lin, Xiaolong & Liu, Yuedan & Wang, Xinhua', 2],
    ['Reis, Emiliano De Angelis & Filho, Arlindo Serpa', 5],
    ['Song, Chao & Zhu, Bin-Qing & Moubayed-Breil, Joel & Lei, Teng', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=33)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);