function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Domínguez, Eduardo & Grillet, Maria-Eugenia & Nieto, Carolina', 3],
    ['Gonçalves, Inês C. & Pescador, Manuel L. & Peters, Janice G.', 2],
    ['Gonçalves, Inês C. & Peters, Janice G.', 2],
    ['Kwanboon, Sedtawut & Boonsoong, Boonsatien & Suttinun, Chanaporn', 5],
    ['L, Carlos Naranjo & Peters, Janice G. & del, Pedro López', 2],
    ['Neto, Jaime De Liege Gama & Passos, Mahedy Araujo Bastos', 1],
    ['Zheng, Xuhongyi & Qiang, Xinhe & Zhou, Changfa', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);