function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['De Matos-Pita, Susana S. & Ramil, Fran', 1],
    ['Komai, Tomoyuki & Miller, Allison K. & Malay, Maria Celia D.', 1],
    ['Mantelatto, Fernando L. & Miranda, Ivana & Vera-Silva, Ana L.', 1],
    ['Nucci, Paulo Ricardo & Melo, Gustavo Augusto Schmidt De', 2],
    ['Rahayu, Dwi Listyo', 17],
    ['Rahayu, Dwi Listyo & Osawa, Masayuki', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);