function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cai, Y. & Naiyanetr, P. & Ng, P. K. L.', 25],
    ['Cai, Yixiong & Choy, Satish & Ng, Peter K. L.', 7],
    ['Chaowvieng, Apisara & Sutcharit, Chirasak & Chanabun, Ratmanee', 3],
    ['Ferreira, Rodrigo Simões & Vieira, Rony Roberto Ramos', 4],
    ['Guo, Zhao-Liang & He, Shun-Lian', 5],
    ['Hanamura, Yukio & Imai, Hideyuki & Lasasimma, Oulaytham', 14],
    ['Jacobucci, Giuliano Buzá & Bueno, Alessandra A. De P.', 7],
    ['Mandal, Sudipta & Deepa, J.', 3],
    ['Mantelatto, Fernando L. & Al, Et', 5],
    ['Mantelatto, Fernando L. & Pileggi, Leonardo G.', 7],
    ['Saengphan, Nukul & Panijpan, Bhinyo & Senapin, Saengchan', 4],
    ['Santos, Maria Aparecida Laurindo dos', 5],
    ['Valencia, Diego M. & Campos, Martha R.', 23],
    ['Vieira, Inacia Maria & Silva, Luiz Maurício Abdon', 8],
    ['Wowor, Daisy & Ng, Peter K. L.', 5],
    ['Other (33)', 43]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=168)',
    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);