function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bahia, Juliana & Padula, Vinicius & Delgado, Marlon', 2],
    ['Bahia, Juliana & Padula, Vinicius & Lavrado, Helena Passeri', 3],
    ['Bahia, Juliana & Schrödl, Michael', 13],
    ['Bolaños, D. Marcela & Quiroga, Sigmer Y. & Litvaitis, Marian K.', 1],
    ['Bolaños, Marcela & Quiroga, Sigmer Y. & Litvaitis, Marian K.', 1],
    ['Dixit, Sudhanshu & Bayyana, Sharad & Manjebrayakath, Hashim', 2],
    ['Dixit, Sudhanshu & Sivaperuman, C. & Raghunathan, C.', 2],
    ['Faubel, Anno', 4],
    ['Hoover, John P.', 2],
    ['Maghsoudlou, Abdolvahab & Rahimian, Hassan', 2],
    ['Marquina, Daniel & Aguado, M. Teresa & Noreña, Carolina', 5],
    ['Newman, Lester J. & Cannon, R. G.', 5],
    ['Noreña, Carolina', 4],
    ['Rodríguez, Jorge & Hutchings, Pat A. & Williamson, Jane E.', 2],
    ['Velasquez, Ximena & Bolaños, D. Marcela & Benayahu, Yehuda', 6],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=66)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);