function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anistratenko, V. V. & Furyk, Yu. I. & Anistratenko, O. Yu.', 2],
    ['Appleton, C. C. & Dana, P.', 1],
    ['Araya, Juan Francisco', 1],
    ['Atzner', 1],
    ['Cieplok, Anna & Anderson, Roy & Gawlak, Magdalena', 1],
    ['Cremonte, Florencia & Drago, Fabiana B.', 1],
    ['Draparnaud, Jacques Philippe Raymond', 1],
    ['Frank, Christa', 4],
    ['Garcia, Géraldine & Duffaud, Sylvain & Feist, Monique', 2],
    ['Gloeer, Peter & Pesic, Vladimir', 1],
    ['Marinskiy, Vadim V.', 3],
    ['Marković, Vanja & Gojšina, Vukašin & Novaković, Boris', 3],
    ['Mighels, J. W.', 1],
    ['Ng, Ting Hui & Dulipat, Jasrul & Foon, Junn Kitt', 1],
    ['Pacaud, Jean-Michel', 1],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    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);