function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anil, Pathan & Bruce, Niel L. & Jayaraj, K. A.', 2],
    ['Bruce, Niel L. & Sidabalok, Conni', 6],
    ['Bruce, Niel L. & Wong, Helen P. - S. & Merrin, Kelly L.', 19],
    ['Cházaro-Olvera, Sergio & Winfield, Ignacio & Ortiz, Manuel', 2],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Silva, Elinai Dos & Souza-Filho, Jesser F.', 1],
    ['Song, Ji-Hun & Min, Gi-Sik', 2],
    ['Vigneshwaran, P. & Kumar, T. T. Ajith & Ravichandran, S.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);