function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ampai, Natee & Rujirawan, Attapol & Arkajag, Jirachai', 1],
    ['Aowphol, Anchalee & Rujirawan, Attapol & Taksintum, Wut', 1],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 6],
    ['Chan, Kin Onn & Muin, Mohd Abdul & Anuar, Shahrul & Andam, Joel', 4],
    ['Dehling, D. Matthias', 2],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 6],
    ['Herr, Mark W. & Goyes Vallejos, Johana & Meneses, Camila G.', 1],
    ['Iskandar, Djoko T. & Evans, Ben J. & McGuire, Jimmy A.', 1],
    ['Kaiser, Hinrich & Carvalho, Venancio Lopes & Ceballos, Jester', 1],
    ['Matsui, Masafumi & Belabut, Daicus M. & Ahmad, Norhayati', 2],
    ['Matsui, Masafumi & Panha, Somsak & Khonsue, Wichase', 2],
    ['Mulcahy, Daniel G. & Lee, Justin L. & Miller, Aryeh H.', 3],
    ['Suwannapoom, Chatmongkon & Jiang, Ke & Wu, Yun-He', 2],
    ['Teynié, Alexandre & David, Patrick & Ohler, Annemarie', 2],
    ['Zijia, Hong & Anuar, Shahrul & Grismer, L. Lee', 4],
    ['Other (13)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    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);