function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Fachin, Diego Aguilar & Amaral, Edna Maria', 1],
    ['Fachin, Diego Aguilar & Assis-Pujol, Cristiane Vieira De', 2],
    ['Fachin, Diego Aguilar & Couri, Márcia Souto', 1],
    ['Fachin, Diego Aguilar & Lamas, Carlos José Einicker', 3],
    ['Fachin, Diego Aguilar & Zichinelli, Marcela Maria Parada', 2],
    ['Hauser, Martin & Woodley, Norman E. & Fachin, Diego A.', 1],
    ['Lessard, Bryan D. & Yeates, David K. & Woodley, Norman E.', 1],
    ['Loew, Hermann', 5],
    ['Osten Sacken, C. R.', 1],
    ['Rozkošný, Rudolf & Hauser, Martin', 17],
    ['Rozkošný, Rudolf & Kovac, Damir', 1],
    ['Sinclair, Bradley J.', 1],
    ['Torres-Toro, Juliana & Pujol-Luz, José Roberto & Wolff, Marta', 2],
    ['Zai-Hua, Yang & Xiao-Ming, Chen & Mao-Fa, Yang', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);