function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Basu, A. K. & Basu, M. & Adesiyun, A. A.', 1],
    ['Benavides-Montaño, Javier Antonio', 2],
    ['Du, Chunhong & Sun, Yi & Xu, Rongman & Shao, Zongti', 1],
    ['Guglielmone, Alberto A. & Nava, Santiago & Robbins, Richard G.', 177],
    ['Guglielmone, Alberto A. & Petney, Trevor N.', 174],
    ['Heath, Allen C. G. & Palma, Ricardo L. & Cane, Rachel P.', 1],
    ['Ma, Min & Li, Sheng-Cai & Fan, Qing-Hai', 7],
    ['Petney, Trevor N. & Boulanger, Nathalie & Saijuntha, Weerachai', 44],
    ['Pourrut, X. & Emane, K. A. & Camicas, J. - L. & Leroy, E.', 5],
    ['Reeves, Will K. & Durden, Lance A. & Ritzi, Christopher M.', 1],
    ['Sylla, Massamba & Ndiaye, Mady & Souris, Marc', 7],
    ['Xu, Rong-man & Sun, Yi', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=421)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);